421940928235 has 8 divisors (see below), whose sum is σ = 522662311296. Its totient is φ = 326663944320.

The previous prime is 421940928221. The next prime is 421940928239. The reversal of 421940928235 is 532829049124.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 421940928235 - 2⁷ = 421940928107 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (421940928239) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1361099614 + ... + 1361099923.

It is an arithmetic number, because the mean of its divisors is an integer number (65332788912).

Almost surely, 2^421940928235 is an apocalyptic number.

421940928235 is a deficient number, since it is larger than the sum of its proper divisors (100721383061).

421940928235 is a wasteful number, since it uses less digits than its factorization.

421940928235 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2722199573.

The product of its (nonzero) digits is 1244160, while the sum is 49.

The spelling of 421940928235 in words is "four hundred twenty-one billion, nine hundred forty million, nine hundred twenty-eight thousand, two hundred thirty-five".