456666269 has 2 divisors, whose sum is σ = 456666270. Its totient is φ = 456666268.

The previous prime is 456666251. The next prime is 456666271. The reversal of 456666269 is 962666654.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 414611044 + 42055225 = 20362^2 + 6485^2 .

It is a cyclic number.

It is not a de Polignac number, because 456666269 - 2¹⁶ = 456600733 is a prime.

It is a super-2 number, since 2×456666269² = 417088162484760722, which contains 22 as substring.

Together with 456666271, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (456666229) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 228333134 + 228333135.

It is an arithmetic number, because the mean of its divisors is an integer number (228333135).

Almost surely, 2^456666269 is an apocalyptic number.

It is an amenable number.

456666269 is a deficient number, since it is larger than the sum of its proper divisors (1).

456666269 is an equidigital number, since it uses as much as digits as its factorization.

456666269 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2799360, while the sum is 50.

The square root of 456666269 is about 21369.7512620058. The cubic root of 456666269 is about 770.0749176558.

The spelling of 456666269 in words is "four hundred fifty-six million, six hundred sixty-six thousand, two hundred sixty-nine".