13372661439 has 32 divisors (see below), whose sum is σ = 20203491840. Its totient is φ = 8740115136.

The previous prime is 13372661437. The next prime is 13372661479. The reversal of 13372661439 is 93416627331.

13372661439 is a `hidden beast` number, since 1 + 3 + 3 + 7 + 26 + 614 + 3 + 9 = 666.

It is not a de Polignac number, because 13372661439 - 2¹ = 13372661437 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 13372661394 and 13372661403.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13372661437) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 308844 + ... + 349470.

It is an arithmetic number, because the mean of its divisors is an integer number (631359120).

Almost surely, 2^13372661439 is an apocalyptic number.

13372661439 is a deficient number, since it is larger than the sum of its proper divisors (6830830401).

13372661439 is a wasteful number, since it uses less digits than its factorization.

13372661439 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40876 (or 40870 counting only the distinct ones).

The product of its digits is 489888, while the sum is 45.

The spelling of 13372661439 in words is "thirteen billion, three hundred seventy-two million, six hundred sixty-one thousand, four hundred thirty-nine".