2173237933 has 2 divisors, whose sum is σ = 2173237934. Its totient is φ = 2173237932.

The previous prime is 2173237921. The next prime is 2173237943. The reversal of 2173237933 is 3397323712.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2173237924 + 9 = 46618^2 + 3^2 .

It is a cyclic number.

It is not a de Polignac number, because 2173237933 - 2⁵ = 2173237901 is a prime.

It is a super-2 number, since 2×2173237933² = 9445926226860224978, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2173237903) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1086618966 + 1086618967.

It is an arithmetic number, because the mean of its divisors is an integer number (1086618967).

Almost surely, 2^2173237933 is an apocalyptic number.

It is an amenable number.

2173237933 is a deficient number, since it is larger than the sum of its proper divisors (1).

2173237933 is an equidigital number, since it uses as much as digits as its factorization.

2173237933 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 142884, while the sum is 40.

The square root of 2173237933 is about 46618.0000965292. Note that the first 4 decimals coincide. The cubic root of 2173237933 is about 1295.2962025253.

The spelling of 2173237933 in words is "two billion, one hundred seventy-three million, two hundred thirty-seven thousand, nine hundred thirty-three".