2137447564 has 24 divisors (see below), whose sum is σ = 4344978848. Its totient is φ = 901031040.

The previous prime is 2137447531. The next prime is 2137447567. The reversal of 2137447564 is 4657447312.

It is a self number, because there is not a number n which added to its sum of digits gives 2137447564.

It is not an unprimeable number, because it can be changed into a prime (2137447567) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 624009 + ... + 627424.

Almost surely, 2^2137447564 is an apocalyptic number.

It is an amenable number.

2137447564 is an abundant number, since it is smaller than the sum of its proper divisors (2207531284).

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

2137447564 is a wasteful number, since it uses less digits than its factorization.

2137447564 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1251505 (or 1251503 counting only the distinct ones).

The product of its digits is 564480, while the sum is 43.

The square root of 2137447564 is about 46232.5379359602. The cubic root of 2137447564 is about 1288.1461993105.

The spelling of 2137447564 in words is "two billion, one hundred thirty-seven million, four hundred forty-seven thousand, five hundred sixty-four".