3874019969 has 4 divisors (see below), whose sum is σ = 3877906644. Its totient is φ = 3870133296.

The previous prime is 3874019939. The next prime is 3874020011. The reversal of 3874019969 is 9699104783.

3874019969 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 an emirpimes, since its reverse is a distinct semiprime: 9699104783 = 571 ⋅16986173.

It can be written as a sum of positive squares in 2 ways, for example, as 1375519744 + 2498500225 = 37088^2 + 49985^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-3874019969 is a prime.

It is a super-2 number, since 2×3874019969² = 30016061440421521922, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3874019939) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1941842 + ... + 1943835.

It is an arithmetic number, because the mean of its divisors is an integer number (969476661).

Almost surely, 2^3874019969 is an apocalyptic number.

It is an amenable number.

3874019969 is a deficient number, since it is larger than the sum of its proper divisors (3886675).

3874019969 is an equidigital number, since it uses as much as digits as its factorization.

3874019969 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3886674.

The product of its (nonzero) digits is 2939328, while the sum is 56.

The square root of 3874019969 is about 62241.6256937429. The cubic root of 3874019969 is about 1570.5578999591.

The spelling of 3874019969 in words is "three billion, eight hundred seventy-four million, nineteen thousand, nine hundred sixty-nine".