454779089 has 2 divisors, whose sum is σ = 454779090. Its totient is φ = 454779088.

The previous prime is 454779043. The next prime is 454779107. The reversal of 454779089 is 980977454.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 454030864 + 748225 = 21308^2 + 865^2 .

It is a cyclic number.

It is not a de Polignac number, because 454779089 - 2²⁰ = 453730513 is a prime.

It is a Sophie Germain prime.

It is a Chen prime.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 454779089.

It is not a weakly prime, because it can be changed into another prime (454779029) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 227389544 + 227389545.

It is an arithmetic number, because the mean of its divisors is an integer number (227389545).

Almost surely, 2^454779089 is an apocalyptic number.

It is an amenable number.

454779089 is a deficient number, since it is larger than the sum of its proper divisors (1).

454779089 is an equidigital number, since it uses as much as digits as its factorization.

454779089 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2540160, while the sum is 53.

The square root of 454779089 is about 21325.5501453069. The cubic root of 454779089 is about 769.0126711262.

The spelling of 454779089 in words is "four hundred fifty-four million, seven hundred seventy-nine thousand, eighty-nine".