626134012808 has 16 divisors (see below), whose sum is σ = 1202635452060. Its totient is φ = 305431225600.

The previous prime is 626134012747. The next prime is 626134012817. The reversal of 626134012808 is 808210431626.

It can be written as a sum of positive squares in 2 ways, for example, as 382767417124 + 243366595684 = 618682^2 + 493322^2 .

It is a Harshad number since it is a multiple of its sum of digits (41).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 954472253 + ... + 954472908.

Almost surely, 2^626134012808 is an apocalyptic number.

It is an amenable number.

626134012808 is a deficient number, since it is larger than the sum of its proper divisors (576501439252).

626134012808 is a wasteful number, since it uses less digits than its factorization.

626134012808 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1908945208 (or 1908945204 counting only the distinct ones).

The product of its (nonzero) digits is 110592, while the sum is 41.

The spelling of 626134012808 in words is "six hundred twenty-six billion, one hundred thirty-four million, twelve thousand, eight hundred eight".