454810789 has 2 divisors, whose sum is σ = 454810790. Its totient is φ = 454810788.

The previous prime is 454810753. The next prime is 454810793. The reversal of 454810789 is 987018454.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 337456900 + 117353889 = 18370^2 + 10833^2 .

It is a cyclic number.

It is not a de Polignac number, because 454810789 - 2²¹ = 452713637 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (454810709) 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, 227405394 + 227405395.

It is an arithmetic number, because the mean of its divisors is an integer number (227405395).

Almost surely, 2^454810789 is an apocalyptic number.

It is an amenable number.

454810789 is a deficient number, since it is larger than the sum of its proper divisors (1).

454810789 is an equidigital number, since it uses as much as digits as its factorization.

454810789 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 322560, while the sum is 46.

The square root of 454810789 is about 21326.2933722670. The cubic root of 454810789 is about 769.0305385083.

The spelling of 454810789 in words is "four hundred fifty-four million, eight hundred ten thousand, seven hundred eighty-nine".