421078632093 has 48 divisors (see below), whose sum is σ = 709287321600. Its totient is φ = 235756703520.

The previous prime is 421078632043. The next prime is 421078632097. The reversal of 421078632093 is 390236870124.

421078632093 is a `hidden beast` number, since 4 + 2 + 1 + 0 + 7 + 8 + 632 + 0 + 9 + 3 = 666.

It is not a de Polignac number, because 421078632093 - 2⁸ = 421078631837 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (421078632097) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 329068 + ... + 974906.

It is an arithmetic number, because the mean of its divisors is an integer number (14776819200).

Almost surely, 2^421078632093 is an apocalyptic number.

It is an amenable number.

421078632093 is a deficient number, since it is larger than the sum of its proper divisors (288208689507).

421078632093 is a wasteful number, since it uses less digits than its factorization.

421078632093 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 646062 (or 646059 counting only the distinct ones).

The product of its (nonzero) digits is 435456, while the sum is 45.

The spelling of 421078632093 in words is "four hundred twenty-one billion, seventy-eight million, six hundred thirty-two thousand, ninety-three".