13937599489 has 4 divisors (see below), whose sum is σ = 15204654000. Its totient is φ = 12670544980.

The previous prime is 13937599453. The next prime is 13937599499. The reversal of 13937599489 is 98499573931.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-13937599489 is a prime.

It is a super-2 number, since 2×13937599489² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13937599499) 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, 633527239 + ... + 633527260.

It is an arithmetic number, because the mean of its divisors is an integer number (3801163500).

Almost surely, 2^13937599489 is an apocalyptic number.

It is an amenable number.

13937599489 is a deficient number, since it is larger than the sum of its proper divisors (1267054511).

13937599489 is a wasteful number, since it uses less digits than its factorization.

13937599489 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1267054510.

The product of its digits is 66134880, while the sum is 67.

The spelling of 13937599489 in words is "thirteen billion, nine hundred thirty-seven million, five hundred ninety-nine thousand, four hundred eighty-nine".