2556847159 has 2 divisors, whose sum is σ = 2556847160. Its totient is φ = 2556847158.

The previous prime is 2556847151. The next prime is 2556847217. The reversal of 2556847159 is 9517486552.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2556847159 - 2³ = 2556847151 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2556847151) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1278423579 + 1278423580.

It is an arithmetic number, because the mean of its divisors is an integer number (1278423580).

Almost surely, 2^2556847159 is an apocalyptic number.

2556847159 is a deficient number, since it is larger than the sum of its proper divisors (1).

2556847159 is an equidigital number, since it uses as much as digits as its factorization.

2556847159 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 3024000, while the sum is 52.

The square root of 2556847159 is about 50565.2762179739. The cubic root of 2556847159 is about 1367.4189347318.

It can be divided in two parts, 25568 and 47159, that added together give a palindrome (72727).

The spelling of 2556847159 in words is "two billion, five hundred fifty-six million, eight hundred forty-seven thousand, one hundred fifty-nine".