2149572999 has 32 divisors (see below), whose sum is σ = 3451207680. Its totient is φ = 1162575072.

The previous prime is 2149572991. The next prime is 2149573009. The reversal of 2149572999 is 9992759412.

It is not a de Polignac number, because 2149572999 - 2³ = 2149572991 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (57).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2149572991) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 591502 + ... + 595124.

It is an arithmetic number, because the mean of its divisors is an integer number (107850240).

Almost surely, 2^2149572999 is an apocalyptic number.

2149572999 is a deficient number, since it is larger than the sum of its proper divisors (1301634681).

2149572999 is a wasteful number, since it uses less digits than its factorization.

2149572999 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5139.

The product of its digits is 3674160, while the sum is 57.

The square root of 2149572999 is about 46363.4877786389. The cubic root of 2149572999 is about 1290.5774309330.

The spelling of 2149572999 in words is "two billion, one hundred forty-nine million, five hundred seventy-two thousand, nine hundred ninety-nine".