402791728695 has 16 divisors (see below), whose sum is σ = 666689758560. Its totient is φ = 207414591104.

The previous prime is 402791728681. The next prime is 402791728709. The reversal of 402791728695 is 596827197204.

It is an interprime number because it is at equal distance from previous prime (402791728681) and next prime (402791728709).

It is a cyclic number.

It is not a de Polignac number, because 402791728695 - 2⁵ = 402791728663 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 462978564 + ... + 462979433.

It is an arithmetic number, because the mean of its divisors is an integer number (41668109910).

Almost surely, 2^402791728695 is an apocalyptic number.

402791728695 is a deficient number, since it is larger than the sum of its proper divisors (263898029865).

402791728695 is a wasteful number, since it uses less digits than its factorization.

402791728695 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 925958034.

The product of its (nonzero) digits is 15240960, while the sum is 60.

The spelling of 402791728695 in words is "four hundred two billion, seven hundred ninety-one million, seven hundred twenty-eight thousand, six hundred ninety-five".