455974669 has 2 divisors, whose sum is σ = 455974670. Its totient is φ = 455974668.

The previous prime is 455974667. The next prime is 455974681. The reversal of 455974669 is 966479554.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 280730025 + 175244644 = 16755^2 + 13238^2 .

It is a cyclic number.

It is not a de Polignac number, because 455974669 - 2¹ = 455974667 is a prime.

It is a super-2 number, since 2×455974669² = 415825797539319122, which contains 22 as substring.

Together with 455974667, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (455974661) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 227987334 + 227987335.

It is an arithmetic number, because the mean of its divisors is an integer number (227987335).

Almost surely, 2^455974669 is an apocalyptic number.

It is an amenable number.

455974669 is a deficient number, since it is larger than the sum of its proper divisors (1).

455974669 is an equidigital number, since it uses as much as digits as its factorization.

455974669 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 8164800, while the sum is 55.

The square root of 455974669 is about 21353.5633794456. The cubic root of 455974669 is about 769.6859735964.

The spelling of 455974669 in words is "four hundred fifty-five million, nine hundred seventy-four thousand, six hundred sixty-nine".