456718841 has 2 divisors, whose sum is σ = 456718842. Its totient is φ = 456718840.

The previous prime is 456718837. The next prime is 456718849. The reversal of 456718841 is 148817654.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 439321600 + 17397241 = 20960^2 + 4171^2 .

It is a cyclic number.

It is not a de Polignac number, because 456718841 - 2² = 456718837 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 456718792 and 456718801.

It is not a weakly prime, because it can be changed into another prime (456718849) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 228359420 + 228359421.

It is an arithmetic number, because the mean of its divisors is an integer number (228359421).

Almost surely, 2^456718841 is an apocalyptic number.

It is an amenable number.

456718841 is a deficient number, since it is larger than the sum of its proper divisors (1).

456718841 is an equidigital number, since it uses as much as digits as its factorization.

456718841 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 215040, while the sum is 44.

The square root of 456718841 is about 21370.9812830389. The cubic root of 456718841 is about 770.1044671889.

The spelling of 456718841 in words is "four hundred fifty-six million, seven hundred eighteen thousand, eight hundred forty-one".