494226619643 has 2 divisors, whose sum is σ = 494226619644. Its totient is φ = 494226619642.

The previous prime is 494226619529. The next prime is 494226619703. The reversal of 494226619643 is 346916622494.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 494226619643 - 2¹⁴ = 494226603259 is a prime.

It is not a weakly prime, because it can be changed into another prime (494226619043) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 247113309821 + 247113309822.

It is an arithmetic number, because the mean of its divisors is an integer number (247113309822).

Almost surely, 2^494226619643 is an apocalyptic number.

494226619643 is a deficient number, since it is larger than the sum of its proper divisors (1).

494226619643 is an equidigital number, since it uses as much as digits as its factorization.

494226619643 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 13436928, while the sum is 56.

The spelling of 494226619643 in words is "four hundred ninety-four billion, two hundred twenty-six million, six hundred nineteen thousand, six hundred forty-three".