421357175912 has 16 divisors (see below), whose sum is σ = 806854167360. Its totient is φ = 206196064624.

The previous prime is 421357175851. The next prime is 421357175929. The reversal of 421357175912 is 219571753124.

It is a super-2 number, since 2×421357175912² (a number of 24 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (47).

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 560315018 + ... + 560315769.

It is an arithmetic number, because the mean of its divisors is an integer number (50428385460).

Almost surely, 2^421357175912 is an apocalyptic number.

It is an amenable number.

421357175912 is a deficient number, since it is larger than the sum of its proper divisors (385496991448).

421357175912 is a wasteful number, since it uses less digits than its factorization.

421357175912 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1120630840 (or 1120630836 counting only the distinct ones).

The product of its digits is 529200, while the sum is 47.

The spelling of 421357175912 in words is "four hundred twenty-one billion, three hundred fifty-seven million, one hundred seventy-five thousand, nine hundred twelve".