13331622465 has 32 divisors (see below), whose sum is σ = 27086472960. Its totient is φ = 6094455552.

The previous prime is 13331622439. The next prime is 13331622511. The reversal of 13331622465 is 56422613331.

13331622465 is a `hidden beast` number, since 1 + 3 + 33 + 162 + 2 + 465 = 666.

It is not a de Polignac number, because 13331622465 - 2⁸ = 13331622209 is a prime.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 7052824 + ... + 7054713.

It is an arithmetic number, because the mean of its divisors is an integer number (846452280).

Almost surely, 2^13331622465 is an apocalyptic number.

13331622465 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

13331622465 is an abundant number, since it is smaller than the sum of its proper divisors (13754850495).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

13331622465 is a wasteful number, since it uses less digits than its factorization.

13331622465 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14107558 (or 14107552 counting only the distinct ones).

The product of its digits is 77760, while the sum is 36.

The spelling of 13331622465 in words is "thirteen billion, three hundred thirty-one million, six hundred twenty-two thousand, four hundred sixty-five".