3886074943969 has 3 divisors (see below), whose sum is σ = 3886076915283. Its totient is φ = 3886072972656.

The previous prime is 3886074943963. The next prime is 3886074943981. The reversal of 3886074943969 is 9693494706883.

The square root of 3886074943969 is 1971313.

It is a perfect power (a square), and thus also a powerful number.

3886074943969 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in only one way, i.e., 9460480225 + 3876614463744 = 97265^2 + 1968912^2 .

It is not a de Polignac number, because 3886074943969 - 2¹⁷ = 3886074812897 is a prime.

It is a super-2 number, since 2×3886074943969² (a number of 26 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 3886074943895 and 3886074943904.

It is not an unprimeable number, because it can be changed into a prime (3886074943963) by changing a digit.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 985657 + ... + 2956969.

It is an arithmetic number, because the mean of its divisors is an integer number (1295358971761).

Almost surely, 2^{3886074943969} is an apocalyptic number.

3886074943969 is the 1971313-rd square number.

3886074943969 is the 985657-th centered octagonal number.

It is an amenable number.

3886074943969 is a deficient number, since it is larger than the sum of its proper divisors (1971314).

3886074943969 is an frugal number, since it uses more digits than its factorization.

3886074943969 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3942626 (or 1971313 counting only the distinct ones).

The product of its (nonzero) digits is 1693052928, while the sum is 76.

The spelling of 3886074943969 in words is "three trillion, eight hundred eighty-six billion, seventy-four million, nine hundred forty-three thousand, nine hundred sixty-nine".