626321020322013 has 4 divisors (see below), whose sum is σ = 835094693762688. Its totient is φ = 417547346881340.

The previous prime is 626321020321979. The next prime is 626321020322033. The reversal of 626321020322013 is 310223020123626.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 626321020322013 - 2²⁹ = 626320483451101 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (626321020322033) 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, 104386836720333 + ... + 104386836720338.

It is an arithmetic number, because the mean of its divisors is an integer number (208773673440672).

Almost surely, 2^{626321020322013} is an apocalyptic number.

It is an amenable number.

626321020322013 is a deficient number, since it is larger than the sum of its proper divisors (208773673440675).

626321020322013 is a wasteful number, since it uses less digits than its factorization.

626321020322013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 208773673440674.

The product of its (nonzero) digits is 31104, while the sum is 33.

Adding to 626321020322013 its reverse (310223020123626), we get a palindrome (936544040445639).

The spelling of 626321020322013 in words is "six hundred twenty-six trillion, three hundred twenty-one billion, twenty million, three hundred twenty-two thousand, thirteen".