456666943 has 2 divisors, whose sum is σ = 456666944. Its totient is φ = 456666942.

The previous prime is 456666929. The next prime is 456666949. The reversal of 456666943 is 349666654.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 456666943 - 2⁵ = 456666911 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (456666949) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 228333471 + 228333472.

It is an arithmetic number, because the mean of its divisors is an integer number (228333472).

Almost surely, 2^456666943 is an apocalyptic number.

456666943 is a deficient number, since it is larger than the sum of its proper divisors (1).

456666943 is an equidigital number, since it uses as much as digits as its factorization.

456666943 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2799360, while the sum is 49.

The square root of 456666943 is about 21369.7670319543. The cubic root of 456666943 is about 770.0752965103.

The spelling of 456666943 in words is "four hundred fifty-six million, six hundred sixty-six thousand, nine hundred forty-three".