2555423233439 has 2 divisors, whose sum is σ = 2555423233440. Its totient is φ = 2555423233438.

The previous prime is 2555423233421. The next prime is 2555423233543. The reversal of 2555423233439 is 9343323245552.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2555423233439 - 2¹⁶ = 2555423167903 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2555423233639) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1277711616719 + 1277711616720.

It is an arithmetic number, because the mean of its divisors is an integer number (1277711616720).

Almost surely, 2^{2555423233439} is an apocalyptic number.

2555423233439 is a deficient number, since it is larger than the sum of its proper divisors (1).

2555423233439 is an equidigital number, since it uses as much as digits as its factorization.

2555423233439 is an evil number, because the sum of its binary digits is even.

The product of its digits is 11664000, while the sum is 50.

The spelling of 2555423233439 in words is "two trillion, five hundred fifty-five billion, four hundred twenty-three million, two hundred thirty-three thousand, four hundred thirty-nine".