421432240031093 has 4 divisors (see below), whose sum is σ = 421432351475520. Its totient is φ = 421432128586668.

The previous prime is 421432240031081. The next prime is 421432240031123. The reversal of 421432240031093 is 390130042234124.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 421432240031093 - 2²⁸ = 421431971595637 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (421432240031053) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 49843133 + ... + 57681906.

It is an arithmetic number, because the mean of its divisors is an integer number (105358087868880).

Almost surely, 2^{421432240031093} is an apocalyptic number.

It is an amenable number.

421432240031093 is a deficient number, since it is larger than the sum of its proper divisors (111444427).

421432240031093 is a wasteful number, since it uses less digits than its factorization.

421432240031093 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 111444426.

The product of its (nonzero) digits is 124416, while the sum is 38.

The spelling of 421432240031093 in words is "four hundred twenty-one trillion, four hundred thirty-two billion, two hundred forty million, thirty-one thousand, ninety-three".