454980091 has 4 divisors (see below), whose sum is σ = 455058000. Its totient is φ = 454902184.

The previous prime is 454980077. The next prime is 454980103. The reversal of 454980091 is 190089454.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 190089454 = 2 ⋅95044727.

It is a cyclic number.

It is not a de Polignac number, because 454980091 - 2²¹ = 452882939 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (454980011) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 29416 + ... + 42133.

It is an arithmetic number, because the mean of its divisors is an integer number (113764500).

Almost surely, 2^454980091 is an apocalyptic number.

454980091 is a deficient number, since it is larger than the sum of its proper divisors (77909).

454980091 is an equidigital number, since it uses as much as digits as its factorization.

454980091 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 77908.

The product of its (nonzero) digits is 51840, while the sum is 40.

The square root of 454980091 is about 21330.2623284384. The cubic root of 454980091 is about 769.1259498012.

The spelling of 454980091 in words is "four hundred fifty-four million, nine hundred eighty thousand, ninety-one".