3815513668 has 12 divisors (see below), whose sum is σ = 6832431760. Its totient is φ = 1863390312.

The previous prime is 3815513641. The next prime is 3815513743. The reversal of 3815513668 is 8663155183.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11091438 + ... + 11091781.

Almost surely, 2^3815513668 is an apocalyptic number.

It is an amenable number.

3815513668 is a deficient number, since it is larger than the sum of its proper divisors (3016918092).

3815513668 is a wasteful number, since it uses less digits than its factorization.

3815513668 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22183266 (or 22183264 counting only the distinct ones).

The product of its digits is 518400, while the sum is 46.

The square root of 3815513668 is about 61769.8443255283. The cubic root of 3815513668 is about 1562.6114581867.

The spelling of 3815513668 in words is "three billion, eight hundred fifteen million, five hundred thirteen thousand, six hundred sixty-eight".