2256156499 has 2 divisors, whose sum is σ = 2256156500. Its totient is φ = 2256156498.

The previous prime is 2256156481. The next prime is 2256156527. The reversal of 2256156499 is 9946516522.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2256156499 - 2¹¹ = 2256154451 is a prime.

It is not a weakly prime, because it can be changed into another prime (2256156449) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1128078249 + 1128078250.

It is an arithmetic number, because the mean of its divisors is an integer number (1128078250).

Almost surely, 2^2256156499 is an apocalyptic number.

2256156499 is a deficient number, since it is larger than the sum of its proper divisors (1).

2256156499 is an equidigital number, since it uses as much as digits as its factorization.

2256156499 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1166400, while the sum is 49.

The square root of 2256156499 is about 47499.0157687504. The cubic root of 2256156499 is about 1311.5647636349.

The spelling of 2256156499 in words is "two billion, two hundred fifty-six million, one hundred fifty-six thousand, four hundred ninety-nine".