3568635305381 has 16 divisors (see below), whose sum is σ = 3691317847680. Its totient is φ = 3448110310080.

The previous prime is 3568635305359. The next prime is 3568635305393. The reversal of 3568635305381 is 1835035368653.

It is a cyclic number.

It is not a de Polignac number, because 3568635305381 - 2⁶ = 3568635305317 is a prime.

It is a super-2 number, since 2×3568635305381² (a number of 26 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3568635305581) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4557155 + ... + 5282511.

It is an arithmetic number, because the mean of its divisors is an integer number (230707365480).

Almost surely, 2^{3568635305381} is an apocalyptic number.

It is an amenable number.

3568635305381 is a deficient number, since it is larger than the sum of its proper divisors (122682542299).

3568635305381 is a wasteful number, since it uses less digits than its factorization.

3568635305381 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 726844.

The product of its (nonzero) digits is 23328000, while the sum is 56.

The spelling of 3568635305381 in words is "three trillion, five hundred sixty-eight billion, six hundred thirty-five million, three hundred five thousand, three hundred eighty-one".