696477040697 has 2 divisors, whose sum is σ = 696477040698. Its totient is φ = 696477040696.

The previous prime is 696477040621. The next prime is 696477040789. The reversal of 696477040697 is 796040774696.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 635637858361 + 60839182336 = 797269^2 + 246656^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-696477040697 is a prime.

It is not a weakly prime, because it can be changed into another prime (696477040607) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 348238520348 + 348238520349.

It is an arithmetic number, because the mean of its divisors is an integer number (348238520349).

Almost surely, 2^696477040697 is an apocalyptic number.

It is an amenable number.

696477040697 is a deficient number, since it is larger than the sum of its proper divisors (1).

696477040697 is an equidigital number, since it uses as much as digits as its factorization.

696477040697 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 96018048, while the sum is 65.

The spelling of 696477040697 in words is "six hundred ninety-six billion, four hundred seventy-seven million, forty thousand, six hundred ninety-seven".