454204820791 has 2 divisors, whose sum is σ = 454204820792. Its totient is φ = 454204820790.

The previous prime is 454204820731. The next prime is 454204820813. The reversal of 454204820791 is 197028402454.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-454204820791 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (454204820711) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 227102410395 + 227102410396.

It is an arithmetic number, because the mean of its divisors is an integer number (227102410396).

Almost surely, 2^454204820791 is an apocalyptic number.

454204820791 is a deficient number, since it is larger than the sum of its proper divisors (1).

454204820791 is an equidigital number, since it uses as much as digits as its factorization.

454204820791 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 645120, while the sum is 46.

The spelling of 454204820791 in words is "four hundred fifty-four billion, two hundred four million, eight hundred twenty thousand, seven hundred ninety-one".