456985089817 has 4 divisors (see below), whose sum is σ = 457030922020. Its totient is φ = 456939257616.

The previous prime is 456985089797. The next prime is 456985089851. The reversal of 456985089817 is 718980589654.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 89774541376 + 367210548441 = 299624^2 + 605979^2 .

It is a cyclic number.

It is not a de Polignac number, because 456985089817 - 2²⁷ = 456850872089 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (456985089857) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 22901142 + ... + 22921087.

It is an arithmetic number, because the mean of its divisors is an integer number (114257730505).

Almost surely, 2^456985089817 is an apocalyptic number.

It is an amenable number.

456985089817 is a deficient number, since it is larger than the sum of its proper divisors (45832203).

456985089817 is an equidigital number, since it uses as much as digits as its factorization.

456985089817 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45832202.

The product of its (nonzero) digits is 174182400, while the sum is 70.

The spelling of 456985089817 in words is "four hundred fifty-six billion, nine hundred eighty-five million, eighty-nine thousand, eight hundred seventeen".