13645200565 has 8 divisors (see below), whose sum is σ = 16387636608. Its totient is φ = 10907229840.

The previous prime is 13645200559. The next prime is 13645200571. The reversal of 13645200565 is 56500254631.

It is an interprime number because it is at equal distance from previous prime (13645200559) and next prime (13645200571).

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

It is not a de Polignac number, because 13645200565 - 2⁹ = 13645200053 is a prime.

It is a Duffinian number.

It is a congruent number.

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, 1109601 + ... + 1121830.

It is an arithmetic number, because the mean of its divisors is an integer number (2048454576).

Almost surely, 2^13645200565 is an apocalyptic number.

It is an amenable number.

13645200565 is a deficient number, since it is larger than the sum of its proper divisors (2742436043).

13645200565 is a wasteful number, since it uses less digits than its factorization.

13645200565 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2232659.

The product of its (nonzero) digits is 108000, while the sum is 37.

The spelling of 13645200565 in words is "thirteen billion, six hundred forty-five million, two hundred thousand, five hundred sixty-five".