696646697 has 2 divisors, whose sum is σ = 696646698. Its totient is φ = 696646696.

The previous prime is 696646651. The next prime is 696646721. The reversal of 696646697 is 796646696.

696646697 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 442849936 + 253796761 = 21044^2 + 15931^2 .

It is a cyclic number.

It is not a de Polignac number, because 696646697 - 2⁶ = 696646633 is a prime.

It is not a weakly prime, because it can be changed into another prime (696646627) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 348323348 + 348323349.

It is an arithmetic number, because the mean of its divisors is an integer number (348323349).

Almost surely, 2^696646697 is an apocalyptic number.

It is an amenable number.

696646697 is a deficient number, since it is larger than the sum of its proper divisors (1).

696646697 is an equidigital number, since it uses as much as digits as its factorization.

696646697 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 17635968, while the sum is 59.

The square root of 696646697 is about 26394.0655640619. The cubic root of 696646697 is about 886.4839168811.

Subtracting 696646697 from its reverse (796646696), we obtain a palindrome (99999999).

The spelling of 696646697 in words is "six hundred ninety-six million, six hundred forty-six thousand, six hundred ninety-seven".