2256323650499 has 2 divisors, whose sum is σ = 2256323650500. Its totient is φ = 2256323650498.

The previous prime is 2256323650457. The next prime is 2256323650501. The reversal of 2256323650499 is 9940563236522.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2256323650499 - 2¹² = 2256323646403 is a prime.

It is a super-2 number, since 2×2256323650499² (a number of 26 digits) contains 22 as substring.

Together with 2256323650501, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (2256323658499) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1128161825249 + 1128161825250.

It is an arithmetic number, because the mean of its divisors is an integer number (1128161825250).

Almost surely, 2^{2256323650499} is an apocalyptic number.

2256323650499 is a deficient number, since it is larger than the sum of its proper divisors (1).

2256323650499 is an equidigital number, since it uses as much as digits as its factorization.

2256323650499 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 20995200, while the sum is 56.

The spelling of 2256323650499 in words is "two trillion, two hundred fifty-six billion, three hundred twenty-three million, six hundred fifty thousand, four hundred ninety-nine".