626989710463 has 2 divisors, whose sum is σ = 626989710464. Its totient is φ = 626989710462.

The previous prime is 626989710433. The next prime is 626989710467. The reversal of 626989710463 is 364017989626.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-626989710463 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (626989710467) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 313494855231 + 313494855232.

It is an arithmetic number, because the mean of its divisors is an integer number (313494855232).

Almost surely, 2^626989710463 is an apocalyptic number.

626989710463 is a deficient number, since it is larger than the sum of its proper divisors (1).

626989710463 is an equidigital number, since it uses as much as digits as its factorization.

626989710463 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 23514624, while the sum is 61.

The spelling of 626989710463 in words is "six hundred twenty-six billion, nine hundred eighty-nine million, seven hundred ten thousand, four hundred sixty-three".