2109672444 has 24 divisors (see below), whose sum is σ = 5370075648. Its totient is φ = 639294640.

The previous prime is 2109672421. The next prime is 2109672449. The reversal of 2109672444 is 4442769012.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2109672449) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7991052 + ... + 7991315.

It is an arithmetic number, because the mean of its divisors is an integer number (223753152).

Almost surely, 2^2109672444 is an apocalyptic number.

It is an amenable number.

2109672444 is an abundant number, since it is smaller than the sum of its proper divisors (3260403204).

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

2109672444 is a wasteful number, since it uses less digits than its factorization.

2109672444 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15982385 (or 15982383 counting only the distinct ones).

The product of its (nonzero) digits is 96768, while the sum is 39.

The square root of 2109672444 is about 45931.1707231592. The cubic root of 2109672444 is about 1282.5422383104.

The spelling of 2109672444 in words is "two billion, one hundred nine million, six hundred seventy-two thousand, four hundred forty-four".