626954863 has 2 divisors, whose sum is σ = 626954864. Its totient is φ = 626954862.

The previous prime is 626954831. The next prime is 626954891. The reversal of 626954863 is 368459626.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 626954863 - 2⁵ = 626954831 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (626954813) 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, 313477431 + 313477432.

It is an arithmetic number, because the mean of its divisors is an integer number (313477432).

Almost surely, 2^626954863 is an apocalyptic number.

626954863 is a deficient number, since it is larger than the sum of its proper divisors (1).

626954863 is an equidigital number, since it uses as much as digits as its factorization.

626954863 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1866240, while the sum is 49.

The square root of 626954863 is about 25039.0667358031. The cubic root of 626954863 is about 855.8784505659.

The spelling of 626954863 in words is "six hundred twenty-six million, nine hundred fifty-four thousand, eight hundred sixty-three".