456181605233 has 2 divisors, whose sum is σ = 456181605234. Its totient is φ = 456181605232.

The previous prime is 456181605179. The next prime is 456181605281. The reversal of 456181605233 is 332506181654.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 365464984369 + 90716620864 = 604537^2 + 301192^2 .

It is a cyclic number.

It is not a de Polignac number, because 456181605233 - 2¹² = 456181601137 is a prime.

It is not a weakly prime, because it can be changed into another prime (456181655233) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 228090802616 + 228090802617.

It is an arithmetic number, because the mean of its divisors is an integer number (228090802617).

Almost surely, 2^456181605233 is an apocalyptic number.

It is an amenable number.

456181605233 is a deficient number, since it is larger than the sum of its proper divisors (1).

456181605233 is an equidigital number, since it uses as much as digits as its factorization.

456181605233 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 518400, while the sum is 44.

Adding to 456181605233 its reverse (332506181654), we get a palindrome (788687786887).

The spelling of 456181605233 in words is "four hundred fifty-six billion, one hundred eighty-one million, six hundred five thousand, two hundred thirty-three".