13570340865 has 16 divisors (see below), whose sum is σ = 22989754368. Its totient is φ = 6811778816.

The previous prime is 13570340827. The next prime is 13570340869. The reversal of 13570340865 is 56804307531.

It is a cyclic number.

It is not a de Polignac number, because 13570340865 - 2⁶ = 13570340801 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (13570340869) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 26608257 + ... + 26608766.

It is an arithmetic number, because the mean of its divisors is an integer number (1436859648).

Almost surely, 2^13570340865 is an apocalyptic number.

13570340865 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

13570340865 is a deficient number, since it is larger than the sum of its proper divisors (9419413503).

13570340865 is a wasteful number, since it uses less digits than its factorization.

13570340865 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 53217048.

The product of its (nonzero) digits is 302400, while the sum is 42.

The spelling of 13570340865 in words is "thirteen billion, five hundred seventy million, three hundred forty thousand, eight hundred sixty-five".