421846893982 has 16 divisors (see below), whose sum is σ = 655032696192. Its totient is φ = 203541212160.

The previous prime is 421846893967. The next prime is 421846893989. The reversal of 421846893982 is 289398648124.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (421846893989) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9615483 + ... + 9659254.

It is an arithmetic number, because the mean of its divisors is an integer number (40939543512).

Almost surely, 2^421846893982 is an apocalyptic number.

421846893982 is a deficient number, since it is larger than the sum of its proper divisors (233185802210).

421846893982 is a wasteful number, since it uses less digits than its factorization.

421846893982 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19275123.

The product of its digits is 47775744, while the sum is 64.

The spelling of 421846893982 in words is "four hundred twenty-one billion, eight hundred forty-six million, eight hundred ninety-three thousand, nine hundred eighty-two".