13445499372 has 24 divisors (see below), whose sum is σ = 31379690496. Its totient is φ = 4480853328.

The previous prime is 13445499323. The next prime is 13445499373. The reversal of 13445499372 is 27399454431.

It is not an unprimeable number, because it can be changed into a prime (13445499373) 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, 64188 + ... + 176099.

It is an arithmetic number, because the mean of its divisors is an integer number (1307487104).

Almost surely, 2^13445499372 is an apocalyptic number.

13445499372 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

13445499372 is an abundant number, since it is smaller than the sum of its proper divisors (17934191124).

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

13445499372 is a wasteful number, since it uses less digits than its factorization.

13445499372 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 244957 (or 244955 counting only the distinct ones).

The product of its digits is 3265920, while the sum is 51.

The spelling of 13445499372 in words is "thirteen billion, four hundred forty-five million, four hundred ninety-nine thousand, three hundred seventy-two".