454315493 has 2 divisors, whose sum is σ = 454315494. Its totient is φ = 454315492.

The previous prime is 454315487. The next prime is 454315501. The reversal of 454315493 is 394513454.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 318872449 + 135443044 = 17857^2 + 11638^2 .

It is a cyclic number.

It is not a de Polignac number, because 454315493 - 2¹⁸ = 454053349 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (454315093) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 227157746 + 227157747.

It is an arithmetic number, because the mean of its divisors is an integer number (227157747).

Almost surely, 2^454315493 is an apocalyptic number.

It is an amenable number.

454315493 is a deficient number, since it is larger than the sum of its proper divisors (1).

454315493 is an equidigital number, since it uses as much as digits as its factorization.

454315493 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 129600, while the sum is 38.

The square root of 454315493 is about 21314.6778769936. The cubic root of 454315493 is about 768.7512750502.

The spelling of 454315493 in words is "four hundred fifty-four million, three hundred fifteen thousand, four hundred ninety-three".