425425520239 has 2 divisors, whose sum is σ = 425425520240. Its totient is φ = 425425520238.

The previous prime is 425425520209. The next prime is 425425520243. The reversal of 425425520239 is 932025524524.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 425425520239 - 2⁷ = 425425520111 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 425425520195 and 425425520204.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (425425520209) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 212712760119 + 212712760120.

It is an arithmetic number, because the mean of its divisors is an integer number (212712760120).

Almost surely, 2^425425520239 is an apocalyptic number.

425425520239 is a deficient number, since it is larger than the sum of its proper divisors (1).

425425520239 is an equidigital number, since it uses as much as digits as its factorization.

425425520239 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 864000, while the sum is 43.

The spelling of 425425520239 in words is "four hundred twenty-five billion, four hundred twenty-five million, five hundred twenty thousand, two hundred thirty-nine".