656201623079 has 2 divisors, whose sum is σ = 656201623080. Its totient is φ = 656201623078.

The previous prime is 656201623057. The next prime is 656201623081. The reversal of 656201623079 is 970326102656.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 656201623079 - 2³² = 651906655783 is a prime.

Together with 656201623081, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (656201623009) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 328100811539 + 328100811540.

It is an arithmetic number, because the mean of its divisors is an integer number (328100811540).

Almost surely, 2^656201623079 is an apocalyptic number.

656201623079 is a deficient number, since it is larger than the sum of its proper divisors (1).

656201623079 is an equidigital number, since it uses as much as digits as its factorization.

656201623079 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 816480, while the sum is 47.

The spelling of 656201623079 in words is "six hundred fifty-six billion, two hundred one million, six hundred twenty-three thousand, seventy-nine".