13035645644 has 24 divisors (see below), whose sum is σ = 26216951040. Its totient is φ = 5555492496.

The previous prime is 13035645631. The next prime is 13035645691. The reversal of 13035645644 is 44654653031.

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, 1295432 + ... + 1305455.

It is an arithmetic number, because the mean of its divisors is an integer number (1092372960).

Almost surely, 2^13035645644 is an apocalyptic number.

13035645644 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

13035645644 is an abundant number, since it is smaller than the sum of its proper divisors (13181305396).

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

13035645644 is a wasteful number, since it uses less digits than its factorization.

13035645644 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2601077 (or 2601075 counting only the distinct ones).

The product of its (nonzero) digits is 518400, while the sum is 41.

The spelling of 13035645644 in words is "thirteen billion, thirty-five million, six hundred forty-five thousand, six hundred forty-four".