13521454562 has 32 divisors (see below), whose sum is σ = 25643049984. Its totient is φ = 5193896400.

The previous prime is 13521454549. The next prime is 13521454571. The reversal of 13521454562 is 26545412531.

It is a super-2 number, since 2×13521454562² (a number of 21 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 607388 + ... + 629255.

It is an arithmetic number, because the mean of its divisors is an integer number (801345312).

Almost surely, 2^13521454562 is an apocalyptic number.

13521454562 is a deficient number, since it is larger than the sum of its proper divisors (12121595422).

13521454562 is a wasteful number, since it uses less digits than its factorization.

13521454562 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1236734.

The product of its digits is 144000, while the sum is 38.

The spelling of 13521454562 in words is "thirteen billion, five hundred twenty-one million, four hundred fifty-four thousand, five hundred sixty-two".