454590919091 has 4 divisors (see below), whose sum is σ = 454593315072. Its totient is φ = 454588523112.

The previous prime is 454590919073. The next prime is 454590919099. The reversal of 454590919091 is 190919095454.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 454590919091 - 2²⁶ = 454523810227 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (454590919099) 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, 886376 + ... + 1301861.

It is an arithmetic number, because the mean of its divisors is an integer number (113648328768).

Almost surely, 2^454590919091 is an apocalyptic number.

454590919091 is a deficient number, since it is larger than the sum of its proper divisors (2395981).

454590919091 is a wasteful number, since it uses less digits than its factorization.

454590919091 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2395980.

The product of its (nonzero) digits is 2624400, while the sum is 56.

The spelling of 454590919091 in words is "four hundred fifty-four billion, five hundred ninety million, nine hundred nineteen thousand, ninety-one".