13936684553 has 4 divisors (see below), whose sum is σ = 15203655888. Its totient is φ = 12669713220.

The previous prime is 13936684537. The next prime is 13936684571. The reversal of 13936684553 is 35548663931.

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 13936684553 - 2⁴ = 13936684537 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 13936684495 and 13936684504.

It is not an unprimeable number, because it can be changed into a prime (13936684583) 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, 633485651 + ... + 633485672.

It is an arithmetic number, because the mean of its divisors is an integer number (3800913972).

Almost surely, 2^13936684553 is an apocalyptic number.

It is an amenable number.

13936684553 is a deficient number, since it is larger than the sum of its proper divisors (1266971335).

13936684553 is a wasteful number, since it uses less digits than its factorization.

13936684553 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1266971334.

The product of its digits is 6998400, while the sum is 53.

The spelling of 13936684553 in words is "thirteen billion, nine hundred thirty-six million, six hundred eighty-four thousand, five hundred fifty-three".