425552661239 has 2 divisors, whose sum is σ = 425552661240. Its totient is φ = 425552661238.

The previous prime is 425552661199. The next prime is 425552661263. The reversal of 425552661239 is 932166255524.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 425552661239 - 2²⁴ = 425535884023 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (425552661269) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 212776330619 + 212776330620.

It is an arithmetic number, because the mean of its divisors is an integer number (212776330620).

Almost surely, 2^425552661239 is an apocalyptic number.

425552661239 is a deficient number, since it is larger than the sum of its proper divisors (1).

425552661239 is an equidigital number, since it uses as much as digits as its factorization.

425552661239 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 3888000, while the sum is 50.

The spelling of 425552661239 in words is "four hundred twenty-five billion, five hundred fifty-two million, six hundred sixty-one thousand, two hundred thirty-nine".