2555615659 has 2 divisors, whose sum is σ = 2555615660. Its totient is φ = 2555615658.

The previous prime is 2555615617. The next prime is 2555615663. The reversal of 2555615659 is 9565165552.

2555615659 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2555615659 - 2⁹ = 2555615147 is a prime.

It is not a weakly prime, because it can be changed into another prime (2555615759) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1277807829 + 1277807830.

It is an arithmetic number, because the mean of its divisors is an integer number (1277807830).

Almost surely, 2^2555615659 is an apocalyptic number.

2555615659 is a deficient number, since it is larger than the sum of its proper divisors (1).

2555615659 is an equidigital number, since it uses as much as digits as its factorization.

2555615659 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2025000, while the sum is 49.

The square root of 2555615659 is about 50553.0974224132. The cubic root of 2555615659 is about 1367.1993613344.

The spelling of 2555615659 in words is "two billion, five hundred fifty-five million, six hundred fifteen thousand, six hundred fifty-nine".