2125542464 has 28 divisors (see below), whose sum is σ = 4439869200. Its totient is φ = 1006835328.

The previous prime is 2125542449. The next prime is 2125542511. The reversal of 2125542464 is 4642455212.

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, 872774 + ... + 875205.

Almost surely, 2^2125542464 is an apocalyptic number.

It is an amenable number.

2125542464 is an abundant number, since it is smaller than the sum of its proper divisors (2314326736).

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

2125542464 is a wasteful number, since it uses less digits than its factorization.

2125542464 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1748010 (or 1748000 counting only the distinct ones).

The product of its digits is 76800, while the sum is 35.

The square root of 2125542464 is about 46103.6057592028. The cubic root of 2125542464 is about 1285.7501842722.

Adding to 2125542464 its reverse (4642455212), we get a palindrome (6767997676).

The spelling of 2125542464 in words is "two billion, one hundred twenty-five million, five hundred forty-two thousand, four hundred sixty-four".