13513843508 has 12 divisors (see below), whose sum is σ = 25799155872. Its totient is φ = 6142656120.

The previous prime is 13513843501. The next prime is 13513843513. The reversal of 13513843508 is 80534831531.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13513843501) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 153566360 + ... + 153566447.

It is an arithmetic number, because the mean of its divisors is an integer number (2149929656).

Almost surely, 2^13513843508 is an apocalyptic number.

It is an amenable number.

13513843508 is a deficient number, since it is larger than the sum of its proper divisors (12285312364).

13513843508 is a wasteful number, since it uses less digits than its factorization.

13513843508 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 307132822 (or 307132820 counting only the distinct ones).

The product of its (nonzero) digits is 172800, while the sum is 41.

The spelling of 13513843508 in words is "thirteen billion, five hundred thirteen million, eight hundred forty-three thousand, five hundred eight".