2175925939 has 6 divisors (see below), whose sum is σ = 2391720380. Its totient is φ = 1978114380.

The previous prime is 2175925919. The next prime is 2175925943. The reversal of 2175925939 is 9395295712.

It is not a de Polignac number, because 2175925939 - 2²³ = 2167537331 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2175925919) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 8991309 + ... + 8991550.

Almost surely, 2^2175925939 is an apocalyptic number.

2175925939 is a deficient number, since it is larger than the sum of its proper divisors (215794441).

2175925939 is a wasteful number, since it uses less digits than its factorization.

2175925939 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17982881 (or 17982870 counting only the distinct ones).

The product of its digits is 1530900, while the sum is 52.

The square root of 2175925939 is about 46646.8213172130. The cubic root of 2175925939 is about 1295.8300188191.

The spelling of 2175925939 in words is "two billion, one hundred seventy-five million, nine hundred twenty-five thousand, nine hundred thirty-nine".