3813497568 has 72 divisors (see below), whose sum is σ = 11028490200. Its totient is φ = 1249615104.

The previous prime is 3813497557. The next prime is 3813497573. The reversal of 3813497568 is 8657943183.

3813497568 is a `hidden beast` number, since 38 + 1 + 3 + 49 + 7 + 568 = 666.

3813497568 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (72).

It is a super-2 number, since 2×3813497568² = 29085527402283829248, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 95223 + ... + 129206.

It is an arithmetic number, because the mean of its divisors is an integer number (153173475).

Almost surely, 2^3813497568 is an apocalyptic number.

It is an amenable number.

3813497568 is an abundant number, since it is smaller than the sum of its proper divisors (7214992632).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

3813497568 is a wasteful number, since it uses less digits than its factorization.

3813497568 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 224504 (or 224493 counting only the distinct ones).

The product of its digits is 4354560, while the sum is 54.

The square root of 3813497568 is about 61753.5227173317. The cubic root of 3813497568 is about 1562.3361841101.

The spelling of 3813497568 in words is "three billion, eight hundred thirteen million, four hundred ninety-seven thousand, five hundred sixty-eight".