696656197213 has 2 divisors, whose sum is σ = 696656197214. Its totient is φ = 696656197212.

The previous prime is 696656197099. The next prime is 696656197229. The reversal of 696656197213 is 312791656696.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 504024742809 + 192631454404 = 709947^2 + 438898^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-696656197213 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (696656197243) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 348328098606 + 348328098607.

It is an arithmetic number, because the mean of its divisors is an integer number (348328098607).

Almost surely, 2^696656197213 is an apocalyptic number.

It is an amenable number.

696656197213 is a deficient number, since it is larger than the sum of its proper divisors (1).

696656197213 is an equidigital number, since it uses as much as digits as its factorization.

696656197213 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 22044960, while the sum is 61.

The spelling of 696656197213 in words is "six hundred ninety-six billion, six hundred fifty-six million, one hundred ninety-seven thousand, two hundred thirteen".