13405564465 has 8 divisors (see below), whose sum is σ = 16109055360. Its totient is φ = 10709532912.

The previous prime is 13405564441. The next prime is 13405564481. The reversal of 13405564465 is 56446550431.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 13405564465 - 2⁹ = 13405563953 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1860879 + ... + 1868068.

It is an arithmetic number, because the mean of its divisors is an integer number (2013631920).

Almost surely, 2^13405564465 is an apocalyptic number.

It is an amenable number.

13405564465 is a deficient number, since it is larger than the sum of its proper divisors (2703490895).

13405564465 is an equidigital number, since it uses as much as digits as its factorization.

13405564465 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3729671.

The product of its (nonzero) digits is 864000, while the sum is 43.

The spelling of 13405564465 in words is "thirteen billion, four hundred five million, five hundred sixty-four thousand, four hundred sixty-five".