421229985895 has 16 divisors (see below), whose sum is σ = 517830102720. Its totient is φ = 328748716800.

The previous prime is 421229985863. The next prime is 421229985971. The reversal of 421229985895 is 598589922124.

It is not a de Polignac number, because 421229985895 - 2⁵ = 421229985863 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5760865 + ... + 5833525.

It is an arithmetic number, because the mean of its divisors is an integer number (32364381420).

Almost surely, 2^421229985895 is an apocalyptic number.

421229985895 is a deficient number, since it is larger than the sum of its proper divisors (96600116825).

421229985895 is a wasteful number, since it uses less digits than its factorization.

421229985895 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 100986.

The product of its digits is 37324800, while the sum is 64.

The spelling of 421229985895 in words is "four hundred twenty-one billion, two hundred twenty-nine million, nine hundred eighty-five thousand, eight hundred ninety-five".