421113322209 has 4 divisors (see below), whose sum is σ = 561484429616. Its totient is φ = 280742214804.

The previous prime is 421113322207. The next prime is 421113322219. The reversal of 421113322209 is 902223311124.

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 not a de Polignac number, because 421113322209 - 2¹ = 421113322207 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (421113322207) 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, 70185553699 + ... + 70185553704.

It is an arithmetic number, because the mean of its divisors is an integer number (140371107404).

Almost surely, 2^421113322209 is an apocalyptic number.

It is an amenable number.

421113322209 is a deficient number, since it is larger than the sum of its proper divisors (140371107407).

421113322209 is a wasteful number, since it uses less digits than its factorization.

421113322209 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 140371107406.

The product of its (nonzero) digits is 5184, while the sum is 30.

The spelling of 421113322209 in words is "four hundred twenty-one billion, one hundred thirteen million, three hundred twenty-two thousand, two hundred nine".