13595985321 has 24 divisors (see below), whose sum is σ = 18492207552. Its totient is φ = 8885167200.

The previous prime is 13595985317. The next prime is 13595985329. The reversal of 13595985321 is 12358959531.

It is not a de Polignac number, because 13595985321 - 2² = 13595985317 is a prime.

It is not an unprimeable number, because it can be changed into a prime (13595985329) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2734780 + ... + 2739746.

It is an arithmetic number, because the mean of its divisors is an integer number (770508648).

Almost surely, 2^13595985321 is an apocalyptic number.

It is an amenable number.

13595985321 is a deficient number, since it is larger than the sum of its proper divisors (4896222231).

13595985321 is an equidigital number, since it uses as much as digits as its factorization.

13595985321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5293 (or 5222 counting only the distinct ones).

The product of its digits is 1458000, while the sum is 51.

The spelling of 13595985321 in words is "thirteen billion, five hundred ninety-five million, nine hundred eighty-five thousand, three hundred twenty-one".