13453503636 has 12 divisors (see below), whose sum is σ = 31391508512. Its totient is φ = 4484501208.

The previous prime is 13453503607. The next prime is 13453503649. The reversal of 13453503636 is 63630535431.

It is a tau number, because it is divible by the number of its divisors (12).

It is a junction number, because it is equal to n+sod(n) for n = 13453503594 and 13453503603.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 560562640 + ... + 560562663.

Almost surely, 2^13453503636 is an apocalyptic number.

It is an amenable number.

13453503636 is an abundant number, since it is smaller than the sum of its proper divisors (17938004876).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

13453503636 is a wasteful number, since it uses less digits than its factorization.

13453503636 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1121125310 (or 1121125308 counting only the distinct ones).

The product of its (nonzero) digits is 291600, while the sum is 39.

The spelling of 13453503636 in words is "thirteen billion, four hundred fifty-three million, five hundred three thousand, six hundred thirty-six".