626420784475 has 12 divisors (see below), whose sum is σ = 776997186160. Its totient is φ = 500984748000.

The previous prime is 626420784439. The next prime is 626420784499. The reversal of 626420784475 is 574487024626.

It is not a de Polignac number, because 626420784475 - 2¹³ = 626420776283 is a prime.

It is a hoax number, since the sum of its digits (55) coincides with the sum of the digits of its distinct prime factors.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3712815 + ... + 3877864.

Almost surely, 2^626420784475 is an apocalyptic number.

626420784475 is a deficient number, since it is larger than the sum of its proper divisors (150576401685).

626420784475 is a wasteful number, since it uses less digits than its factorization.

626420784475 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7593990 (or 7593985 counting only the distinct ones).

The product of its (nonzero) digits is 18063360, while the sum is 55.

The spelling of 626420784475 in words is "six hundred twenty-six billion, four hundred twenty million, seven hundred eighty-four thousand, four hundred seventy-five".