2312591269 has 2 divisors, whose sum is σ = 2312591270. Its totient is φ = 2312591268.

The previous prime is 2312591257. The next prime is 2312591273. The reversal of 2312591269 is 9621952132.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2243916900 + 68674369 = 47370^2 + 8287^2 .

It is a cyclic number.

It is not a de Polignac number, because 2312591269 - 2¹¹ = 2312589221 is a prime.

It is a super-2 number, since 2×2312591269² = 10696156754910060722, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2312511269) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1156295634 + 1156295635.

It is an arithmetic number, because the mean of its divisors is an integer number (1156295635).

Almost surely, 2^2312591269 is an apocalyptic number.

It is an amenable number.

2312591269 is a deficient number, since it is larger than the sum of its proper divisors (1).

2312591269 is an equidigital number, since it uses as much as digits as its factorization.

2312591269 is an evil number, because the sum of its binary digits is even.

The product of its digits is 58320, while the sum is 40.

The square root of 2312591269 is about 48089.4091146897. The cubic root of 2312591269 is about 1322.4105152056.

The spelling of 2312591269 in words is "two billion, three hundred twelve million, five hundred ninety-one thousand, two hundred sixty-nine".