2373256649 has 2 divisors, whose sum is σ = 2373256650. Its totient is φ = 2373256648.

The previous prime is 2373256637. The next prime is 2373256657. The reversal of 2373256649 is 9466523732.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1584040000 + 789216649 = 39800^2 + 28093^2 .

It is a cyclic number.

It is not a de Polignac number, because 2373256649 - 2²⁸ = 2104821193 is a prime.

It is not a weakly prime, because it can be changed into another prime (2373256349) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1186628324 + 1186628325.

It is an arithmetic number, because the mean of its divisors is an integer number (1186628325).

Almost surely, 2^2373256649 is an apocalyptic number.

It is an amenable number.

2373256649 is a deficient number, since it is larger than the sum of its proper divisors (1).

2373256649 is an equidigital number, since it uses as much as digits as its factorization.

2373256649 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1632960, while the sum is 47.

The square root of 2373256649 is about 48716.0820366334. The cubic root of 2373256649 is about 1333.8742910703.

The spelling of 2373256649 in words is "two billion, three hundred seventy-three million, two hundred fifty-six thousand, six hundred forty-nine".