454433869 has 2 divisors, whose sum is σ = 454433870. Its totient is φ = 454433868.

The previous prime is 454433807. The next prime is 454433897. The reversal of 454433869 is 968334454.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 235008900 + 219424969 = 15330^2 + 14813^2 .

It is a cyclic number.

It is not a de Polignac number, because 454433869 - 2²³ = 446045261 is a prime.

It is a super-2 number, since 2×454433869² = 413020282588618322, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (454433899) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 227216934 + 227216935.

It is an arithmetic number, because the mean of its divisors is an integer number (227216935).

Almost surely, 2^454433869 is an apocalyptic number.

It is an amenable number.

454433869 is a deficient number, since it is larger than the sum of its proper divisors (1).

454433869 is an equidigital number, since it uses as much as digits as its factorization.

454433869 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1244160, while the sum is 46.

The square root of 454433869 is about 21317.4545619312. The cubic root of 454433869 is about 768.8180376118.

The spelling of 454433869 in words is "four hundred fifty-four million, four hundred thirty-three thousand, eight hundred sixty-nine".