455468789 has 2 divisors, whose sum is σ = 455468790. Its totient is φ = 455468788.

The previous prime is 455468749. The next prime is 455468807. The reversal of 455468789 is 987864554.

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., 411684100 + 43784689 = 20290^2 + 6617^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-455468789 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (455468729) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 227734394 + 227734395.

It is an arithmetic number, because the mean of its divisors is an integer number (227734395).

Almost surely, 2^455468789 is an apocalyptic number.

It is an amenable number.

455468789 is a deficient number, since it is larger than the sum of its proper divisors (1).

455468789 is an equidigital number, since it uses as much as digits as its factorization.

455468789 is an evil number, because the sum of its binary digits is even.

The product of its digits is 9676800, while the sum is 56.

The square root of 455468789 is about 21341.7147624084. The cubic root of 455468789 is about 769.4012261821.

The spelling of 455468789 in words is "four hundred fifty-five million, four hundred sixty-eight thousand, seven hundred eighty-nine".