13503897605 has 16 divisors (see below), whose sum is σ = 17682758784. Its totient is φ = 9818278080.

The previous prime is 13503897601. The next prime is 13503897629. The reversal of 13503897605 is 50679830531.

It is not a de Polignac number, because 13503897605 - 2² = 13503897601 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 13503897605.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13503897601) 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, 176504 + ... + 241166.

It is an arithmetic number, because the mean of its divisors is an integer number (1105172424).

Almost surely, 2^13503897605 is an apocalyptic number.

It is an amenable number.

13503897605 is a deficient number, since it is larger than the sum of its proper divisors (4178861179).

13503897605 is a wasteful number, since it uses less digits than its factorization.

13503897605 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 68476.

The product of its (nonzero) digits is 680400, while the sum is 47.

The spelling of 13503897605 in words is "thirteen billion, five hundred three million, eight hundred ninety-seven thousand, six hundred five".