13503803937 has 16 divisors (see below), whose sum is σ = 20410608960. Its totient is φ = 7872662592.

The previous prime is 13503803927. The next prime is 13503803941. The reversal of 13503803937 is 73930830531.

It is not a de Polignac number, because 13503803937 - 2¹⁰ = 13503802913 is a prime.

It is not an unprimeable number, because it can be changed into a prime (13503803917) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9111138 + ... + 9112619.

It is an arithmetic number, because the mean of its divisors is an integer number (1275663060).

Almost surely, 2^13503803937 is an apocalyptic number.

It is an amenable number.

13503803937 is a deficient number, since it is larger than the sum of its proper divisors (6906805023).

13503803937 is a wasteful number, since it uses less digits than its factorization.

13503803937 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18223792.

The product of its (nonzero) digits is 204120, while the sum is 42.

The spelling of 13503803937 in words is "thirteen billion, five hundred three million, eight hundred three thousand, nine hundred thirty-seven".