454623609 has 16 divisors (see below), whose sum is σ = 671143680. Its totient is φ = 271415760.

The previous prime is 454623601. The next prime is 454623661. The reversal of 454623609 is 906326454.

It is not a de Polignac number, because 454623609 - 2³ = 454623601 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (454623601) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 100599 + ... + 105020.

It is an arithmetic number, because the mean of its divisors is an integer number (41946480).

Almost surely, 2^454623609 is an apocalyptic number.

It is an amenable number.

454623609 is a deficient number, since it is larger than the sum of its proper divisors (216520071).

454623609 is a wasteful number, since it uses less digits than its factorization.

454623609 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 205700.

The product of its (nonzero) digits is 155520, while the sum is 39.

The square root of 454623609 is about 21321.9044412079. The cubic root of 454623609 is about 768.9250243827.

The spelling of 454623609 in words is "four hundred fifty-four million, six hundred twenty-three thousand, six hundred nine".