425425520339 has 2 divisors, whose sum is σ = 425425520340. Its totient is φ = 425425520338.

The previous prime is 425425520291. The next prime is 425425520363. The reversal of 425425520339 is 933025524524.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 425425520339 - 2¹⁶ = 425425454803 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 425425520339.

It is not a weakly prime, because it can be changed into another prime (425425520239) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 212712760169 + 212712760170.

It is an arithmetic number, because the mean of its divisors is an integer number (212712760170).

Almost surely, 2^425425520339 is an apocalyptic number.

425425520339 is a deficient number, since it is larger than the sum of its proper divisors (1).

425425520339 is an equidigital number, since it uses as much as digits as its factorization.

425425520339 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1296000, while the sum is 44.

The spelling of 425425520339 in words is "four hundred twenty-five billion, four hundred twenty-five million, five hundred twenty thousand, three hundred thirty-nine".