454459961 has 4 divisors (see below), whose sum is σ = 454540800. Its totient is φ = 454379124.

The previous prime is 454459931. The next prime is 454459981. The reversal of 454459961 is 169954454.

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, and also an emirpimes, since its reverse is a distinct semiprime: 169954454 = 2 ⋅84977227.

It is a cyclic number.

It is not a de Polignac number, because 454459961 - 2¹⁸ = 454197817 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (454459931) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 31301 + ... + 43458.

It is an arithmetic number, because the mean of its divisors is an integer number (113635200).

Almost surely, 2^454459961 is an apocalyptic number.

It is an amenable number.

454459961 is a deficient number, since it is larger than the sum of its proper divisors (80839).

454459961 is an equidigital number, since it uses as much as digits as its factorization.

454459961 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 80838.

The product of its digits is 777600, while the sum is 47.

The square root of 454459961 is about 21318.0665399093. The cubic root of 454459961 is about 768.8327516093.

The spelling of 454459961 in words is "four hundred fifty-four million, four hundred fifty-nine thousand, nine hundred sixty-one".