2172605498 has 32 divisors (see below), whose sum is σ = 3880033920. Its totient is φ = 892995840.

The previous prime is 2172605497. The next prime is 2172605509. The reversal of 2172605498 is 8945062712.

It is a happy number.

2172605498 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (2172605497) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1790 + ... + 65942.

It is an arithmetic number, because the mean of its divisors is an integer number (121251060).

Almost surely, 2^2172605498 is an apocalyptic number.

2172605498 is a deficient number, since it is larger than the sum of its proper divisors (1707428422).

2172605498 is a wasteful number, since it uses less digits than its factorization.

2172605498 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 64262.

The product of its (nonzero) digits is 241920, while the sum is 44.

The square root of 2172605498 is about 46611.2164398227. The cubic root of 2172605498 is about 1295.1705420812.

The spelling of 2172605498 in words is "two billion, one hundred seventy-two million, six hundred five thousand, four hundred ninety-eight".