626972046593 has 4 divisors (see below), whose sum is σ = 634016676420. Its totient is φ = 619927416768.

The previous prime is 626972046587. The next prime is 626972046601. The reversal of 626972046593 is 395640279626.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 156639433729 + 470332612864 = 395777^2 + 685808^2 .

It is a cyclic number.

It is not a de Polignac number, because 626972046593 - 2²² = 626967852289 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (626972046793) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3522314780 + ... + 3522314957.

It is an arithmetic number, because the mean of its divisors is an integer number (158504169105).

Almost surely, 2^626972046593 is an apocalyptic number.

It is an amenable number.

626972046593 is a deficient number, since it is larger than the sum of its proper divisors (7044629827).

626972046593 is an equidigital number, since it uses as much as digits as its factorization.

626972046593 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7044629826.

The product of its (nonzero) digits is 29393280, while the sum is 59.

The spelling of 626972046593 in words is "six hundred twenty-six billion, nine hundred seventy-two million, forty-six thousand, five hundred ninety-three".