38697295697 has 2 divisors, whose sum is σ = 38697295698. Its totient is φ = 38697295696.

The previous prime is 38697295667. The next prime is 38697295727. The reversal of 38697295697 is 79659279683.

It is a balanced prime because it is at equal distance from previous prime (38697295667) and next prime (38697295727).

It can be written as a sum of positive squares in only one way, i.e., 38425408576 + 271887121 = 196024^2 + 16489^2 .

It is a cyclic number.

It is not a de Polignac number, because 38697295697 - 2⁶ = 38697295633 is a prime.

It is a super-2 number, since 2×38697295697² (a number of 22 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 38697295697.

It is not a weakly prime, because it can be changed into another prime (38697295627) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 19348647848 + 19348647849.

It is an arithmetic number, because the mean of its divisors is an integer number (19348647849).

Almost surely, 2^38697295697 is an apocalyptic number.

It is an amenable number.

38697295697 is a deficient number, since it is larger than the sum of its proper divisors (1).

38697295697 is an equidigital number, since it uses as much as digits as its factorization.

38697295697 is an evil number, because the sum of its binary digits is even.

The product of its digits is 308629440, while the sum is 71.

The spelling of 38697295697 in words is "thirty-eight billion, six hundred ninety-seven million, two hundred ninety-five thousand, six hundred ninety-seven".