2560156913 has 2 divisors, whose sum is σ = 2560156914. Its totient is φ = 2560156912.

The previous prime is 2560156883. The next prime is 2560156967. The reversal of 2560156913 is 3196510652.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2110207969 + 449948944 = 45937^2 + 21212^2 .

It is a cyclic number.

It is not a de Polignac number, because 2560156913 - 2⁶ = 2560156849 is a prime.

It is not a weakly prime, because it can be changed into another prime (2560156513) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1280078456 + 1280078457.

It is an arithmetic number, because the mean of its divisors is an integer number (1280078457).

Almost surely, 2^2560156913 is an apocalyptic number.

It is an amenable number.

2560156913 is a deficient number, since it is larger than the sum of its proper divisors (1).

2560156913 is an equidigital number, since it uses as much as digits as its factorization.

2560156913 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 48600, while the sum is 38.

The square root of 2560156913 is about 50597.9931716664. The cubic root of 2560156913 is about 1368.0087065053.

The spelling of 2560156913 in words is "two billion, five hundred sixty million, one hundred fifty-six thousand, nine hundred thirteen".