2506643332 has 24 divisors (see below), whose sum is σ = 4417013664. Its totient is φ = 1244669952.

The previous prime is 2506643309. The next prime is 2506643357. The reversal of 2506643332 is 2333466052.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 353203 + ... + 360229.

It is an arithmetic number, because the mean of its divisors is an integer number (184042236).

Almost surely, 2^2506643332 is an apocalyptic number.

It is an amenable number.

2506643332 is a deficient number, since it is larger than the sum of its proper divisors (1910370332).

2506643332 is a wasteful number, since it uses less digits than its factorization.

2506643332 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7635 (or 7633 counting only the distinct ones).

The product of its (nonzero) digits is 77760, while the sum is 34.

The square root of 2506643332 is about 50066.3892446819. The cubic root of 2506643332 is about 1358.4099301590.

The spelling of 2506643332 in words is "two billion, five hundred six million, six hundred forty-three thousand, three hundred thirty-two".