456300668281 has 2 divisors, whose sum is σ = 456300668282. Its totient is φ = 456300668280.

The previous prime is 456300668273. The next prime is 456300668359. The reversal of 456300668281 is 182866003654.

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., 290990119225 + 165310549056 = 539435^2 + 406584^2 .

It is a cyclic number.

It is not a de Polignac number, because 456300668281 - 2³ = 456300668273 is a prime.

It is a super-2 number, since 2×456300668281² (a number of 24 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (456300668251) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 228150334140 + 228150334141.

It is an arithmetic number, because the mean of its divisors is an integer number (228150334141).

Almost surely, 2^456300668281 is an apocalyptic number.

It is an amenable number.

456300668281 is a deficient number, since it is larger than the sum of its proper divisors (1).

456300668281 is an equidigital number, since it uses as much as digits as its factorization.

456300668281 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1658880, while the sum is 49.

The spelling of 456300668281 in words is "four hundred fifty-six billion, three hundred million, six hundred sixty-eight thousand, two hundred eighty-one".