13453532500 has 30 divisors (see below), whose sum is σ = 29420190338. Its totient is φ = 5381412000.

The previous prime is 13453532461. The next prime is 13453532537. The reversal of 13453532500 is 523535431.

It can be written as a sum of positive squares in 5 ways, for example, as 2700257296 + 10753275204 = 51964^2 + 103698^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 2688207 + ... + 2693206.

Almost surely, 2^13453532500 is an apocalyptic number.

13453532500 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

13453532500 is an abundant number, since it is smaller than the sum of its proper divisors (15966657838).

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

13453532500 is an equidigital number, since it uses as much as digits as its factorization.

13453532500 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5381437 (or 5381420 counting only the distinct ones).

The product of its (nonzero) digits is 27000, while the sum is 31.

The spelling of 13453532500 in words is "thirteen billion, four hundred fifty-three million, five hundred thirty-two thousand, five hundred".