2179805952 has 36 divisors (see below), whose sum is σ = 5801464760. Its totient is φ = 726601728.

The previous prime is 2179805921. The next prime is 2179805981. The reversal of 2179805952 is 2595089712.

It is a Harshad number since it is a multiple of its sum of digits (48).

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, 1418377 + ... + 1419912.

Almost surely, 2^2179805952 is an apocalyptic number.

It is an amenable number.

2179805952 is an abundant number, since it is smaller than the sum of its proper divisors (3621658808).

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

2179805952 is an equidigital number, since it uses as much as digits as its factorization.

2179805952 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2838308 (or 2838294 counting only the distinct ones).

The product of its (nonzero) digits is 453600, while the sum is 48.

The square root of 2179805952 is about 46688.3920477028. The cubic root of 2179805952 is about 1296.5997833463.

The spelling of 2179805952 in words is "two billion, one hundred seventy-nine million, eight hundred five thousand, nine hundred fifty-two".