456599664293281 has 2 divisors, whose sum is σ = 456599664293282. Its totient is φ = 456599664293280.

The previous prime is 456599664293261. The next prime is 456599664293287. The reversal of 456599664293281 is 182392466995654.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 361447930862656 + 95151733430625 = 19011784^2 + 9754575^2 .

It is a cyclic number.

It is not a de Polignac number, because 456599664293281 - 2²⁷ = 456599530075553 is a prime.

It is a super-2 number, since 2×456599664293281² (a number of 30 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (456599664293287) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 228299832146640 + 228299832146641.

It is an arithmetic number, because the mean of its divisors is an integer number (228299832146641).

Almost surely, 2^{456599664293281} is an apocalyptic number.

It is an amenable number.

456599664293281 is a deficient number, since it is larger than the sum of its proper divisors (1).

456599664293281 is an equidigital number, since it uses as much as digits as its factorization.

456599664293281 is an evil number, because the sum of its binary digits is even.

The product of its digits is 6046617600, while the sum is 79.

The spelling of 456599664293281 in words is "four hundred fifty-six trillion, five hundred ninety-nine billion, six hundred sixty-four million, two hundred ninety-three thousand, two hundred eighty-one".