13349333472 has 24 divisors (see below), whose sum is σ = 35042000616. Its totient is φ = 4449777792.

The previous prime is 13349333471. The next prime is 13349333509. The reversal of 13349333472 is 27433394331.

It is a tau number, because it is divible by the number of its divisors (24).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13349333471) 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, 69527683 + ... + 69527874.

It is an arithmetic number, because the mean of its divisors is an integer number (1460083359).

Almost surely, 2^13349333472 is an apocalyptic number.

13349333472 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

13349333472 is an abundant number, since it is smaller than the sum of its proper divisors (21692667144).

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

13349333472 is a wasteful number, since it uses less digits than its factorization.

13349333472 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 139055570 (or 139055562 counting only the distinct ones).

The product of its digits is 489888, while the sum is 42.

The spelling of 13349333472 in words is "thirteen billion, three hundred forty-nine million, three hundred thirty-three thousand, four hundred seventy-two".