454591421 has 4 divisors (see below), whose sum is σ = 456876000. Its totient is φ = 452306844.

The previous prime is 454591393. The next prime is 454591447. The reversal of 454591421 is 124195454.

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 454591421 - 2¹⁸ = 454329277 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 (454593421) 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, 1141991 + ... + 1142388.

It is an arithmetic number, because the mean of its divisors is an integer number (114219000).

Almost surely, 2^454591421 is an apocalyptic number.

It is an amenable number.

454591421 is a deficient number, since it is larger than the sum of its proper divisors (2284579).

454591421 is a wasteful number, since it uses less digits than its factorization.

454591421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2284578.

The product of its digits is 28800, while the sum is 35.

The square root of 454591421 is about 21321.1496172228. The cubic root of 454591421 is about 768.9068769583.

The spelling of 454591421 in words is "four hundred fifty-four million, five hundred ninety-one thousand, four hundred twenty-one".