425607163690 has 16 divisors (see below), whose sum is σ = 766100966400. Its totient is φ = 170241071760.

The previous prime is 425607163673. The next prime is 425607163717. The reversal of 425607163690 is 96361706524.

It is a happy number.

It is a super-2 number, since 2×425607163690² (a number of 24 digits) contains 22 as substring.

It is an unprimeable number.

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 in 7 ways as a sum of consecutive naturals, for example, 1207975 + ... + 1520005.

It is an arithmetic number, because the mean of its divisors is an integer number (47881310400).

Almost surely, 2^425607163690 is an apocalyptic number.

425607163690 is a deficient number, since it is larger than the sum of its proper divisors (340493802710).

425607163690 is a wasteful number, since it uses less digits than its factorization.

425607163690 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 448437.

The product of its (nonzero) digits is 1632960, while the sum is 49.

The spelling of 425607163690 in words is "four hundred twenty-five billion, six hundred seven million, one hundred sixty-three thousand, six hundred ninety".