425421679630 has 16 divisors (see below), whose sum is σ = 766896864624. Its totient is φ = 169915818240.

The previous prime is 425421679609. The next prime is 425421679643. The reversal of 425421679630 is 36976124524.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 31599636 + ... + 31613095.

It is an arithmetic number, because the mean of its divisors is an integer number (47931054039).

Almost surely, 2^425421679630 is an apocalyptic number.

425421679630 is a deficient number, since it is larger than the sum of its proper divisors (341475184994).

425421679630 is a wasteful number, since it uses less digits than its factorization.

425421679630 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 63213411.

The product of its (nonzero) digits is 2177280, while the sum is 49.

The spelling of 425421679630 in words is "four hundred twenty-five billion, four hundred twenty-one million, six hundred seventy-nine thousand, six hundred thirty".