454893643 has 2 divisors, whose sum is σ = 454893644. Its totient is φ = 454893642.

The previous prime is 454893601. The next prime is 454893661. The reversal of 454893643 is 346398454.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 454893643 - 2²⁵ = 421339211 is a prime.

It is a super-2 number, since 2×454893643² = 413856452883622898, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 454893593 and 454893602.

It is not a weakly prime, because it can be changed into another prime (454893443) 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, 227446821 + 227446822.

It is an arithmetic number, because the mean of its divisors is an integer number (227446822).

Almost surely, 2^454893643 is an apocalyptic number.

454893643 is a deficient number, since it is larger than the sum of its proper divisors (1).

454893643 is an equidigital number, since it uses as much as digits as its factorization.

454893643 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1244160, while the sum is 46.

The square root of 454893643 is about 21328.2358154630. The cubic root of 454893643 is about 769.0772344011.

The spelling of 454893643 in words is "four hundred fifty-four million, eight hundred ninety-three thousand, six hundred forty-three".