2179738233 has 12 divisors (see below), whose sum is σ = 3149857620. Its totient is φ = 1452537216.

The previous prime is 2179738229. The next prime is 2179738259. The reversal of 2179738233 is 3328379712.

It can be written as a sum of positive squares in 2 ways, for example, as 205979904 + 1973758329 = 14352^2 + 44427^2 .

It is not a de Polignac number, because 2179738233 - 2² = 2179738229 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2179738933) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 29068 + ... + 72141.

It is an arithmetic number, because the mean of its divisors is an integer number (262488135).

Almost surely, 2^2179738233 is an apocalyptic number.

It is an amenable number.

2179738233 is a deficient number, since it is larger than the sum of its proper divisors (970119387).

2179738233 is a wasteful number, since it uses less digits than its factorization.

2179738233 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 103608 (or 103605 counting only the distinct ones).

The product of its digits is 381024, while the sum is 45.

The square root of 2179738233 is about 46687.6668189791. Note that the first 3 decimals coincide. The cubic root of 2179738233 is about 1296.5863562566.

The spelling of 2179738233 in words is "two billion, one hundred seventy-nine million, seven hundred thirty-eight thousand, two hundred thirty-three".