13355694465 has 16 divisors (see below), whose sum is σ = 21375606336. Its totient is φ = 7120872000.

The previous prime is 13355694449. The next prime is 13355694497. The reversal of 13355694465 is 56449655331.

It is not a de Polignac number, because 13355694465 - 2⁴ = 13355694449 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 83686 + ... + 183615.

It is an arithmetic number, because the mean of its divisors is an integer number (1335975396).

Almost surely, 2^13355694465 is an apocalyptic number.

13355694465 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

13355694465 is a deficient number, since it is larger than the sum of its proper divisors (8019911871).

13355694465 is a wasteful number, since it uses less digits than its factorization.

13355694465 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 270640.

The product of its digits is 5832000, while the sum is 51.

The spelling of 13355694465 in words is "thirteen billion, three hundred fifty-five million, six hundred ninety-four thousand, four hundred sixty-five".