425065866739 has 2 divisors, whose sum is σ = 425065866740. Its totient is φ = 425065866738.

The previous prime is 425065866733. The next prime is 425065866761. The reversal of 425065866739 is 937668560524.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 425065866739 - 2⁷ = 425065866611 is a prime.

It is not a weakly prime, because it can be changed into another prime (425065866733) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 212532933369 + 212532933370.

It is an arithmetic number, because the mean of its divisors is an integer number (212532933370).

Almost surely, 2^425065866739 is an apocalyptic number.

425065866739 is a deficient number, since it is larger than the sum of its proper divisors (1).

425065866739 is an equidigital number, since it uses as much as digits as its factorization.

425065866739 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 65318400, while the sum is 61.

The spelling of 425065866739 in words is "four hundred twenty-five billion, sixty-five million, eight hundred sixty-six thousand, seven hundred thirty-nine".