425354615065 has 12 divisors (see below), whose sum is σ = 527422023972. Its totient is φ = 329306795040.

The previous prime is 425354615027. The next prime is 425354615083. The reversal of 425354615065 is 560516453524.

It can be written as a sum of positive squares in 2 ways, for example, as 333755776656 + 91598838409 = 577716^2 + 302653^2 .

It is a de Polignac number, because none of the positive numbers 2^k-425354615065 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 44256862 + ... + 44266471.

It is an arithmetic number, because the mean of its divisors is an integer number (43951835331).

Almost surely, 2^425354615065 is an apocalyptic number.

It is an amenable number.

425354615065 is a deficient number, since it is larger than the sum of its proper divisors (102067408907).

425354615065 is an equidigital number, since it uses as much as digits as its factorization.

425354615065 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 88523400 (or 88523369 counting only the distinct ones).

The product of its (nonzero) digits is 2160000, while the sum is 46.

The spelling of 425354615065 in words is "four hundred twenty-five billion, three hundred fifty-four million, six hundred fifteen thousand, sixty-five".