454164709 has 2 divisors, whose sum is σ = 454164710. Its totient is φ = 454164708.

The previous prime is 454164701. The next prime is 454164731. The reversal of 454164709 is 907461454.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 450076225 + 4088484 = 21215^2 + 2022^2 .

It is a cyclic number.

It is not a de Polignac number, because 454164709 - 2³ = 454164701 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (454164701) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 227082354 + 227082355.

It is an arithmetic number, because the mean of its divisors is an integer number (227082355).

Almost surely, 2^454164709 is an apocalyptic number.

It is an amenable number.

454164709 is a deficient number, since it is larger than the sum of its proper divisors (1).

454164709 is an equidigital number, since it uses as much as digits as its factorization.

454164709 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 120960, while the sum is 40.

The square root of 454164709 is about 21311.1404903633. The cubic root of 454164709 is about 768.6662179917. Note that the first 3 decimals are identical.

The spelling of 454164709 in words is "four hundred fifty-four million, one hundred sixty-four thousand, seven hundred nine".