454909488161 has 4 divisors (see below), whose sum is σ = 455229172992. Its totient is φ = 454589803332.

The previous prime is 454909488139. The next prime is 454909488259. The reversal of 454909488161 is 161884909454.

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 454909488161 - 2²⁶ = 454842379297 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 454909488161.

It is not an unprimeable number, because it can be changed into a prime (454909482161) 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, 159840281 + ... + 159843126.

It is an arithmetic number, because the mean of its divisors is an integer number (113807293248).

Almost surely, 2^454909488161 is an apocalyptic number.

It is an amenable number.

454909488161 is a deficient number, since it is larger than the sum of its proper divisors (319684831).

454909488161 is a wasteful number, since it uses less digits than its factorization.

454909488161 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 319684830.

The product of its (nonzero) digits is 9953280, while the sum is 59.

The spelling of 454909488161 in words is "four hundred fifty-four billion, nine hundred nine million, four hundred eighty-eight thousand, one hundred sixty-one".