13622313505 has 4 divisors (see below), whose sum is σ = 16346776212. Its totient is φ = 10897850800.

The previous prime is 13622313451. The next prime is 13622313557. The reversal of 13622313505 is 50531322631.

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 4155607296 + 9466706209 = 64464^2 + 97297^2 .

It is not a de Polignac number, because 13622313505 - 2⁷ = 13622313377 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1362231346 + ... + 1362231355.

It is an arithmetic number, because the mean of its divisors is an integer number (4086694053).

Almost surely, 2^13622313505 is an apocalyptic number.

It is an amenable number.

13622313505 is a deficient number, since it is larger than the sum of its proper divisors (2724462707).

13622313505 is an equidigital number, since it uses as much as digits as its factorization.

13622313505 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2724462706.

The product of its (nonzero) digits is 16200, while the sum is 31.

The spelling of 13622313505 in words is "thirteen billion, six hundred twenty-two million, three hundred thirteen thousand, five hundred five".