626834931427 has 2 divisors, whose sum is σ = 626834931428. Its totient is φ = 626834931426.

The previous prime is 626834931353. The next prime is 626834931431. The reversal of 626834931427 is 724139438626.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 626834931427 - 2²³ = 626826542819 is a prime.

It is not a weakly prime, because it can be changed into another prime (626834931127) 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, 313417465713 + 313417465714.

It is an arithmetic number, because the mean of its divisors is an integer number (313417465714).

Almost surely, 2^626834931427 is an apocalyptic number.

626834931427 is a deficient number, since it is larger than the sum of its proper divisors (1).

626834931427 is an equidigital number, since it uses as much as digits as its factorization.

626834931427 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 10450944, while the sum is 55.

The spelling of 626834931427 in words is "six hundred twenty-six billion, eight hundred thirty-four million, nine hundred thirty-one thousand, four hundred twenty-seven".