425522403556659 has 128 divisors (see below), whose sum is σ = 668366285045760. Its totient is φ = 267129971539200.

The previous prime is 425522403556637. The next prime is 425522403556667. The reversal of 425522403556659 is 956655304225524.

It is a happy number.

425522403556659 is a `hidden beast` number, since 4 + 2 + 5 + 5 + 2 + 24 + 0 + 3 + 556 + 6 + 59 = 666.

It is not a de Polignac number, because 425522403556659 - 2¹⁵ = 425522403523891 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 425522403556596 and 425522403556605.

It is not an unprimeable number, because it can be changed into a prime (425522403557659) by changing a digit.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 42693122694 + ... + 42693132660.

It is an arithmetic number, because the mean of its divisors is an integer number (5221611601920).

Almost surely, 2^{425522403556659} is an apocalyptic number.

425522403556659 is a deficient number, since it is larger than the sum of its proper divisors (242843881489101).

425522403556659 is a wasteful number, since it uses less digits than its factorization.

425522403556659 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13198 (or 13192 counting only the distinct ones).

The product of its (nonzero) digits is 388800000, while the sum is 63.

The spelling of 425522403556659 in words is "four hundred twenty-five trillion, five hundred twenty-two billion, four hundred three million, five hundred fifty-six thousand, six hundred fifty-nine".