421436940933 has 8 divisors (see below), whose sum is σ = 561927642496. Its totient is φ = 280952100000.

The previous prime is 421436940917. The next prime is 421436940997. The reversal of 421436940933 is 339049634124.

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

It is not a de Polignac number, because 421436940933 - 2⁴ = 421436940917 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (421436940433) 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, 1294528 + ... + 1587033.

It is an arithmetic number, because the mean of its divisors is an integer number (70240955312).

Almost surely, 2^421436940933 is an apocalyptic number.

It is an amenable number.

421436940933 is a deficient number, since it is larger than the sum of its proper divisors (140490701563).

421436940933 is a wasteful number, since it uses less digits than its factorization.

421436940933 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2930315.

The product of its (nonzero) digits is 1679616, while the sum is 48.

The spelling of 421436940933 in words is "four hundred twenty-one billion, four hundred thirty-six million, nine hundred forty thousand, nine hundred thirty-three".