2636144932 has 6 divisors (see below), whose sum is σ = 4613253638. Its totient is φ = 1318072464.

The previous prime is 2636144909. The next prime is 2636144963. The reversal of 2636144932 is 2394416362.

It can be written as a sum of positive squares in only one way, i.e., 2374223076 + 261921856 = 48726^2 + 16184^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 329518113 + ... + 329518120.

Almost surely, 2^2636144932 is an apocalyptic number.

It is an amenable number.

2636144932 is a deficient number, since it is larger than the sum of its proper divisors (1977108706).

2636144932 is a wasteful number, since it uses less digits than its factorization.

2636144932 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 659036237 (or 659036235 counting only the distinct ones).

The product of its digits is 186624, while the sum is 40.

The square root of 2636144932 is about 51343.4020298616. The cubic root of 2636144932 is about 1381.4115871863.

The spelling of 2636144932 in words is "two billion, six hundred thirty-six million, one hundred forty-four thousand, nine hundred thirty-two".