13105644324 has 48 divisors (see below), whose sum is σ = 31195741248. Its totient is φ = 4280768128.

The previous prime is 13105644323. The next prime is 13105644337. The reversal of 13105644324 is 42344650131.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (13105644323) 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, 513514 + ... + 538430.

It is an arithmetic number, because the mean of its divisors is an integer number (649911276).

Almost surely, 2^13105644324 is an apocalyptic number.

It is an amenable number.

13105644324 is an abundant number, since it is smaller than the sum of its proper divisors (18090096924).

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

13105644324 is a wasteful number, since it uses less digits than its factorization.

13105644324 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25804 (or 25802 counting only the distinct ones).

The product of its (nonzero) digits is 34560, while the sum is 33.

The spelling of 13105644324 in words is "thirteen billion, one hundred five million, six hundred forty-four thousand, three hundred twenty-four".