454025355491 has 2 divisors, whose sum is σ = 454025355492. Its totient is φ = 454025355490.

The previous prime is 454025355463. The next prime is 454025355503. The reversal of 454025355491 is 194553520454.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 454025355491 - 2¹⁰ = 454025354467 is a prime.

It is a super-2 number, since 2×454025355491² (a number of 24 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (454025385491) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 227012677745 + 227012677746.

It is an arithmetic number, because the mean of its divisors is an integer number (227012677746).

Almost surely, 2^454025355491 is an apocalyptic number.

454025355491 is a deficient number, since it is larger than the sum of its proper divisors (1).

454025355491 is an equidigital number, since it uses as much as digits as its factorization.

454025355491 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2160000, while the sum is 47.

The spelling of 454025355491 in words is "four hundred fifty-four billion, twenty-five million, three hundred fifty-five thousand, four hundred ninety-one".