456689125889 has 2 divisors, whose sum is σ = 456689125890. Its totient is φ = 456689125888.

The previous prime is 456689125883. The next prime is 456689125903. The reversal of 456689125889 is 988521986654.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 374568480400 + 82120645489 = 612020^2 + 286567^2 .

It is a cyclic number.

It is not a de Polignac number, because 456689125889 - 2²⁸ = 456420690433 is a prime.

It is not a weakly prime, because it can be changed into another prime (456689125883) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 228344562944 + 228344562945.

It is an arithmetic number, because the mean of its divisors is an integer number (228344562945).

Almost surely, 2^456689125889 is an apocalyptic number.

It is an amenable number.

456689125889 is a deficient number, since it is larger than the sum of its proper divisors (1).

456689125889 is an equidigital number, since it uses as much as digits as its factorization.

456689125889 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 298598400, while the sum is 71.

The spelling of 456689125889 in words is "four hundred fifty-six billion, six hundred eighty-nine million, one hundred twenty-five thousand, eight hundred eighty-nine".