456495889 has 2 divisors, whose sum is σ = 456495890. Its totient is φ = 456495888.

The previous prime is 456495887. The next prime is 456495947. The reversal of 456495889 is 988594654.

It is an a-pointer prime, because the next prime (456495947) can be obtained adding 456495889 to its sum of digits (58).

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 377641489 + 78854400 = 19433^2 + 8880^2 .

It is a cyclic number.

It is not a de Polignac number, because 456495889 - 2¹ = 456495887 is a prime.

Together with 456495887, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (456495887) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 228247944 + 228247945.

It is an arithmetic number, because the mean of its divisors is an integer number (228247945).

Almost surely, 2^456495889 is an apocalyptic number.

It is an amenable number.

456495889 is a deficient number, since it is larger than the sum of its proper divisors (1).

456495889 is an equidigital number, since it uses as much as digits as its factorization.

456495889 is an evil number, because the sum of its binary digits is even.

The product of its digits is 12441600, while the sum is 58.

The square root of 456495889 is about 21365.7644141276. The cubic root of 456495889 is about 769.9791353204.

The spelling of 456495889 in words is "four hundred fifty-six million, four hundred ninety-five thousand, eight hundred eighty-nine".