13054890564 has 81 divisors (see below), whose sum is σ = 33483370557. Its totient is φ = 4288788288.

The previous prime is 13054890559. The next prime is 13054890599. The reversal of 13054890564 is 46509845031.

The square root of 13054890564 is 114258.

It is a perfect power (a square), and thus also a powerful number.

13054890564 is a `hidden beast` number, since 1 + 3 + 0 + 5 + 4 + 89 + 0 + 564 = 666.

It can be written as a sum of positive squares in only one way, i.e., 7668504900 + 5386385664 = 87570^2 + 73392^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 93920007 + ... + 93920145.

Almost surely, 2^13054890564 is an apocalyptic number.

13054890564 is the 114258-th square number.

It is an amenable number.

13054890564 is an abundant number, since it is smaller than the sum of its proper divisors (20428479993).

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

13054890564 is a wasteful number, since it uses less digits than its factorization.

13054890564 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 562 (or 281 counting only the distinct ones).

The product of its (nonzero) digits is 518400, while the sum is 45.

The spelling of 13054890564 in words is "thirteen billion, fifty-four million, eight hundred ninety thousand, five hundred sixty-four".