2172913300 has 18 divisors (see below), whose sum is σ = 4715222078. Its totient is φ = 869165280.

The previous prime is 2172913291. The next prime is 2172913313. The reversal of 2172913300 is 33192712.

It can be written as a sum of positive squares in 3 ways, for example, as 580424464 + 1592488836 = 24092^2 + 39906^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 10864467 + ... + 10864666.

Almost surely, 2^2172913300 is an apocalyptic number.

2172913300 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2172913300 is an abundant number, since it is smaller than the sum of its proper divisors (2542308778).

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

2172913300 is a wasteful number, since it uses less digits than its factorization.

2172913300 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21729147 (or 21729140 counting only the distinct ones).

The product of its (nonzero) digits is 2268, while the sum is 28.

The square root of 2172913300 is about 46614.5181247216. The cubic root of 2172913300 is about 1295.2317032475.

The spelling of 2172913300 in words is "two billion, one hundred seventy-two million, nine hundred thirteen thousand, three hundred".