2175890492 has 24 divisors (see below), whose sum is σ = 3857849856. Its totient is φ = 1073737728.

The previous prime is 2175890491. The next prime is 2175890501. The reversal of 2175890492 is 2940985712.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2175890491) 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, 86948 + ... + 109140.

It is an arithmetic number, because the mean of its divisors is an integer number (160743744).

Almost surely, 2^2175890492 is an apocalyptic number.

It is an amenable number.

2175890492 is a deficient number, since it is larger than the sum of its proper divisors (1681959364).

2175890492 is a wasteful number, since it uses less digits than its factorization.

2175890492 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22517 (or 22515 counting only the distinct ones).

The product of its (nonzero) digits is 362880, while the sum is 47.

The square root of 2175890492 is about 46646.4413648030. The cubic root of 2175890492 is about 1295.8229821923.

The spelling of 2175890492 in words is "two billion, one hundred seventy-five million, eight hundred ninety thousand, four hundred ninety-two".