13038434472 has 32 divisors (see below), whose sum is σ = 37252670400. Its totient is φ = 3725266944.

The previous prime is 13038434471. The next prime is 13038434483. The reversal of 13038434472 is 27443483031.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 13038434472.

It is not an unprimeable number, because it can be changed into a prime (13038434471) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 38804697 + ... + 38805032.

It is an arithmetic number, because the mean of its divisors is an integer number (1164145950).

Almost surely, 2^13038434472 is an apocalyptic number.

13038434472 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

13038434472 is an abundant number, since it is smaller than the sum of its proper divisors (24214235928).

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

13038434472 is a wasteful number, since it uses less digits than its factorization.

13038434472 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 77609745 (or 77609741 counting only the distinct ones).

The product of its (nonzero) digits is 193536, while the sum is 39.

The spelling of 13038434472 in words is "thirteen billion, thirty-eight million, four hundred thirty-four thousand, four hundred seventy-two".