3809866682 has 4 divisors (see below), whose sum is σ = 5714800026. Its totient is φ = 1904933340.

The previous prime is 3809866667. The next prime is 3809866729. The reversal of 3809866682 is 2866689083.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 3787294681 + 22572001 = 61541^2 + 4751^2 .

It is a super-2 number, since 2×3809866682² = 29030168269227378248, which contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 952466669 + ... + 952466672.

Almost surely, 2^3809866682 is an apocalyptic number.

3809866682 is a deficient number, since it is larger than the sum of its proper divisors (1904933344).

3809866682 is a wasteful number, since it uses less digits than its factorization.

3809866682 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1904933343.

The product of its (nonzero) digits is 5971968, while the sum is 56.

The square root of 3809866682 is about 61724.1175068546. The cubic root of 3809866682 is about 1561.8401857278.

The spelling of 3809866682 in words is "three billion, eight hundred nine million, eight hundred sixty-six thousand, six hundred eighty-two".