2555535439 has 2 divisors, whose sum is σ = 2555535440. Its totient is φ = 2555535438.

The previous prime is 2555535427. The next prime is 2555535443. The reversal of 2555535439 is 9345355552.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2555535439 - 2⁵ = 2555535407 is a prime.

It is a super-2 number, since 2×2555535439² = 13061522759969845442, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2555535469) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1277767719 + 1277767720.

It is an arithmetic number, because the mean of its divisors is an integer number (1277767720).

Almost surely, 2^2555535439 is an apocalyptic number.

2555535439 is a deficient number, since it is larger than the sum of its proper divisors (1).

2555535439 is an equidigital number, since it uses as much as digits as its factorization.

2555535439 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2025000, while the sum is 46.

The square root of 2555535439 is about 50552.3039929932. The cubic root of 2555535439 is about 1367.1850558604.

The spelling of 2555535439 in words is "two billion, five hundred fifty-five million, five hundred thirty-five thousand, four hundred thirty-nine".