696694738157 has 16 divisors (see below), whose sum is σ = 813034599552. Its totient is φ = 589957048320.

The previous prime is 696694738127. The next prime is 696694738169. The reversal of 696694738157 is 751837496696.

696694738157 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 696694738157 - 2³⁰ = 695620996333 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (696694738127) 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, 19186193 + ... + 19222470.

It is an arithmetic number, because the mean of its divisors is an integer number (50814662472).

Almost surely, 2^696694738157 is an apocalyptic number.

It is an amenable number.

696694738157 is a deficient number, since it is larger than the sum of its proper divisors (116339861395).

696694738157 is a wasteful number, since it uses less digits than its factorization.

696694738157 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38408788.

The product of its digits is 411505920, while the sum is 71.

The spelling of 696694738157 in words is "six hundred ninety-six billion, six hundred ninety-four million, seven hundred thirty-eight thousand, one hundred fifty-seven".