2321995057 has 2 divisors, whose sum is σ = 2321995058. Its totient is φ = 2321995056.

The previous prime is 2321995037. The next prime is 2321995129. The reversal of 2321995057 is 7505991232.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2290196736 + 31798321 = 47856^2 + 5639^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2321995057 is a prime.

It is a super-2 number, since 2×2321995057² = 10783322089464866498, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (2321995007) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1160997528 + 1160997529.

It is an arithmetic number, because the mean of its divisors is an integer number (1160997529).

Almost surely, 2^2321995057 is an apocalyptic number.

It is an amenable number.

2321995057 is a deficient number, since it is larger than the sum of its proper divisors (1).

2321995057 is an equidigital number, since it uses as much as digits as its factorization.

2321995057 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 170100, while the sum is 43.

The square root of 2321995057 is about 48187.0839229767. The cubic root of 2321995057 is about 1324.2005490926.

The spelling of 2321995057 in words is "two billion, three hundred twenty-one million, nine hundred ninety-five thousand, fifty-seven".