494957726947 has 2 divisors, whose sum is σ = 494957726948. Its totient is φ = 494957726946.

The previous prime is 494957726909. The next prime is 494957726981. The reversal of 494957726947 is 749627759494.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 494957726947 - 2¹⁹ = 494957202659 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 494957726947.

It is not a weakly prime, because it can be changed into another prime (494957720947) 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, 247478863473 + 247478863474.

It is an arithmetic number, because the mean of its divisors is an integer number (247478863474).

Almost surely, 2^494957726947 is an apocalyptic number.

494957726947 is a deficient number, since it is larger than the sum of its proper divisors (1).

494957726947 is an equidigital number, since it uses as much as digits as its factorization.

494957726947 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 960180480, while the sum is 73.

The spelling of 494957726947 in words is "four hundred ninety-four billion, nine hundred fifty-seven million, seven hundred twenty-six thousand, nine hundred forty-seven".