456567389 has 2 divisors, whose sum is σ = 456567390. Its totient is φ = 456567388.

The previous prime is 456567373. The next prime is 456567407. The reversal of 456567389 is 983765654.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 456164164 + 403225 = 21358^2 + 635^2 .

It is a cyclic number.

It is not a de Polignac number, because 456567389 - 2⁴ = 456567373 is a prime.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 456567389.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (456567689) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 228283694 + 228283695.

It is an arithmetic number, because the mean of its divisors is an integer number (228283695).

Almost surely, 2^456567389 is an apocalyptic number.

It is an amenable number.

456567389 is a deficient number, since it is larger than the sum of its proper divisors (1).

456567389 is an equidigital number, since it uses as much as digits as its factorization.

456567389 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 5443200, while the sum is 53.

The square root of 456567389 is about 21367.4375861964. The cubic root of 456567389 is about 770.0193332977.

The spelling of 456567389 in words is "four hundred fifty-six million, five hundred sixty-seven thousand, three hundred eighty-nine".