454650509 has 2 divisors, whose sum is σ = 454650510. Its totient is φ = 454650508.

The previous prime is 454650503. The next prime is 454650523. The reversal of 454650509 is 905056454.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 239940100 + 214710409 = 15490^2 + 14653^2 .

It is a cyclic number.

It is not a de Polignac number, because 454650509 - 2⁸ = 454650253 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (454650503) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 227325254 + 227325255.

It is an arithmetic number, because the mean of its divisors is an integer number (227325255).

Almost surely, 2^454650509 is an apocalyptic number.

It is an amenable number.

454650509 is a deficient number, since it is larger than the sum of its proper divisors (1).

454650509 is an equidigital number, since it uses as much as digits as its factorization.

454650509 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 108000, while the sum is 38.

The square root of 454650509 is about 21322.5352385686. The cubic root of 454650509 is about 768.9401898037.

It can be divided in two parts, 4546 and 50509, that added together give a palindrome (55055).

The spelling of 454650509 in words is "four hundred fifty-four million, six hundred fifty thousand, five hundred nine".