454379873 has 2 divisors, whose sum is σ = 454379874. Its totient is φ = 454379872.

The previous prime is 454379867. The next prime is 454379923. The reversal of 454379873 is 378973454.

It is an a-pointer prime, because the next prime (454379923) can be obtained adding 454379873 to its sum of digits (50).

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 400680289 + 53699584 = 20017^2 + 7328^2 .

It is a cyclic number.

It is not a de Polignac number, because 454379873 - 2¹² = 454375777 is a prime.

It is a super-2 number, since 2×454379873² = 412922137974992258, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (454379843) 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 as a sum of consecutive naturals, namely, 227189936 + 227189937.

It is an arithmetic number, because the mean of its divisors is an integer number (227189937).

Almost surely, 2^454379873 is an apocalyptic number.

It is an amenable number.

454379873 is a deficient number, since it is larger than the sum of its proper divisors (1).

454379873 is an equidigital number, since it uses as much as digits as its factorization.

454379873 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2540160, while the sum is 50.

The square root of 454379873 is about 21316.1880503996. The cubic root of 454379873 is about 768.7875859914.

The spelling of 454379873 in words is "four hundred fifty-four million, three hundred seventy-nine thousand, eight hundred seventy-three".