456518749 has 2 divisors, whose sum is σ = 456518750. Its totient is φ = 456518748.

The previous prime is 456518737. The next prime is 456518761. The reversal of 456518749 is 947815654.

It is a happy number.

It is a balanced prime because it is at equal distance from previous prime (456518737) and next prime (456518761).

It can be written as a sum of positive squares in only one way, i.e., 393824025 + 62694724 = 19845^2 + 7918^2 .

It is a cyclic number.

It is not a de Polignac number, because 456518749 - 2⁵ = 456518717 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (456518729) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 228259374 + 228259375.

It is an arithmetic number, because the mean of its divisors is an integer number (228259375).

Almost surely, 2^456518749 is an apocalyptic number.

It is an amenable number.

456518749 is a deficient number, since it is larger than the sum of its proper divisors (1).

456518749 is an equidigital number, since it uses as much as digits as its factorization.

456518749 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1209600, while the sum is 49.

The square root of 456518749 is about 21366.2993754183. The cubic root of 456518749 is about 769.9919878854.

The spelling of 456518749 in words is "four hundred fifty-six million, five hundred eighteen thousand, seven hundred forty-nine".