454574993 has 2 divisors, whose sum is σ = 454574994. Its totient is φ = 454574992.

The previous prime is 454574987. The next prime is 454575031. The reversal of 454574993 is 399475454.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 451435009 + 3139984 = 21247^2 + 1772^2 .

It is a cyclic number.

It is not a de Polignac number, because 454574993 - 2⁴ = 454574977 is a prime.

It is not a weakly prime, because it can be changed into another prime (454574963) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 227287496 + 227287497.

It is an arithmetic number, because the mean of its divisors is an integer number (227287497).

Almost surely, 2^454574993 is an apocalyptic number.

It is an amenable number.

454574993 is a deficient number, since it is larger than the sum of its proper divisors (1).

454574993 is an equidigital number, since it uses as much as digits as its factorization.

454574993 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2721600, while the sum is 50.

The square root of 454574993 is about 21320.7643624707. The cubic root of 454574993 is about 768.8976146084.

The spelling of 454574993 in words is "four hundred fifty-four million, five hundred seventy-four thousand, nine hundred ninety-three".