454432169 has 2 divisors, whose sum is σ = 454432170. Its totient is φ = 454432168.

The previous prime is 454432093. The next prime is 454432243. The reversal of 454432169 is 961234454.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 362521600 + 91910569 = 19040^2 + 9587^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-454432169 is a prime.

It is a super-2 number, since 2×454432169² = 413017192444089122, which contains 22 as substring.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (454432369) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 227216084 + 227216085.

It is an arithmetic number, because the mean of its divisors is an integer number (227216085).

Almost surely, 2^454432169 is an apocalyptic number.

It is an amenable number.

454432169 is a deficient number, since it is larger than the sum of its proper divisors (1).

454432169 is an equidigital number, since it uses as much as digits as its factorization.

454432169 is an evil number, because the sum of its binary digits is even.

The product of its digits is 103680, while the sum is 38.

The square root of 454432169 is about 21317.4146884654. The cubic root of 454432169 is about 768.8170789155.

The spelling of 454432169 in words is "four hundred fifty-four million, four hundred thirty-two thousand, one hundred sixty-nine".