13908645037 has 4 divisors (see below), whose sum is σ = 15895594336. Its totient is φ = 11921695740.

The previous prime is 13908645029. The next prime is 13908645041. The reversal of 13908645037 is 73054680931.

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 not a de Polignac number, because 13908645037 - 2³ = 13908645029 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13908645007) 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, 993474639 + ... + 993474652.

It is an arithmetic number, because the mean of its divisors is an integer number (3973898584).

Almost surely, 2^13908645037 is an apocalyptic number.

It is an amenable number.

13908645037 is a deficient number, since it is larger than the sum of its proper divisors (1986949299).

13908645037 is an equidigital number, since it uses as much as digits as its factorization.

13908645037 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1986949298.

The product of its (nonzero) digits is 544320, while the sum is 46.

The spelling of 13908645037 in words is "thirteen billion, nine hundred eight million, six hundred forty-five thousand, thirty-seven".