13509645330 has 16 divisors (see below), whose sum is σ = 32423148864. Its totient is φ = 3602572080.

The previous prime is 13509645329. The next prime is 13509645343. The reversal of 13509645330 is 3354690531.

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, 225160726 + ... + 225160785.

It is an arithmetic number, because the mean of its divisors is an integer number (2026446804).

Almost surely, 2^13509645330 is an apocalyptic number.

13509645330 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

13509645330 is an abundant number, since it is smaller than the sum of its proper divisors (18913503534).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

13509645330 is a wasteful number, since it uses less digits than its factorization.

13509645330 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 450321521.

The product of its (nonzero) digits is 145800, while the sum is 39.

The spelling of 13509645330 in words is "thirteen billion, five hundred nine million, six hundred forty-five thousand, three hundred thirty".