455444369 has 2 divisors, whose sum is σ = 455444370. Its totient is φ = 455444368.

The previous prime is 455444351. The next prime is 455444371. The reversal of 455444369 is 963444554.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 455182225 + 262144 = 21335^2 + 512^2 .

It is a cyclic number.

It is not a de Polignac number, because 455444369 - 2²⁰ = 454395793 is a prime.

It is a super-2 number, since 2×455444369² = 414859146507616322, which contains 22 as substring.

Together with 455444371, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (455444309) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 227722184 + 227722185.

It is an arithmetic number, because the mean of its divisors is an integer number (227722185).

Almost surely, 2^455444369 is an apocalyptic number.

It is an amenable number.

455444369 is a deficient number, since it is larger than the sum of its proper divisors (1).

455444369 is an equidigital number, since it uses as much as digits as its factorization.

455444369 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1036800, while the sum is 44.

The square root of 455444369 is about 21341.1426357634. The cubic root of 455444369 is about 769.3874754311.

The spelling of 455444369 in words is "four hundred fifty-five million, four hundred forty-four thousand, three hundred sixty-nine".