625597442706959 has 2 divisors, whose sum is σ = 625597442706960. Its totient is φ = 625597442706958.

The previous prime is 625597442706911. The next prime is 625597442706967. The reversal of 625597442706959 is 959607244795526.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 625597442706959 - 2⁸ = 625597442706703 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (625597442706359) 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, 312798721353479 + 312798721353480.

It is an arithmetic number, because the mean of its divisors is an integer number (312798721353480).

Almost surely, 2^{625597442706959} is an apocalyptic number.

625597442706959 is a deficient number, since it is larger than the sum of its proper divisors (1).

625597442706959 is an equidigital number, since it uses as much as digits as its factorization.

625597442706959 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 10287648000, while the sum is 80.

The spelling of 625597442706959 in words is "six hundred twenty-five trillion, five hundred ninety-seven billion, four hundred forty-two million, seven hundred six thousand, nine hundred fifty-nine".