454838946491 has 2 divisors, whose sum is σ = 454838946492. Its totient is φ = 454838946490.

The previous prime is 454838946473. The next prime is 454838946521. The reversal of 454838946491 is 194649838454.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 454838946491 - 2¹⁰ = 454838945467 is a prime.

It is a super-2 number, since 2×454838946491² (a number of 24 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (454838946451) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 227419473245 + 227419473246.

It is an arithmetic number, because the mean of its divisors is an integer number (227419473246).

Almost surely, 2^454838946491 is an apocalyptic number.

454838946491 is a deficient number, since it is larger than the sum of its proper divisors (1).

454838946491 is an equidigital number, since it uses as much as digits as its factorization.

454838946491 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 119439360, while the sum is 65.

The spelling of 454838946491 in words is "four hundred fifty-four billion, eight hundred thirty-eight million, nine hundred forty-six thousand, four hundred ninety-one".