493733917 has 2 divisors, whose sum is σ = 493733918. Its totient is φ = 493733916.

The previous prime is 493733909. The next prime is 493733927. The reversal of 493733917 is 719337394.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 289986841 + 203747076 = 17029^2 + 14274^2 .

It is a cyclic number.

It is not a de Polignac number, because 493733917 - 2³ = 493733909 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (493733927) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 246866958 + 246866959.

It is an arithmetic number, because the mean of its divisors is an integer number (246866959).

Almost surely, 2^493733917 is an apocalyptic number.

It is an amenable number.

493733917 is a deficient number, since it is larger than the sum of its proper divisors (1).

493733917 is an equidigital number, since it uses as much as digits as its factorization.

493733917 is an evil number, because the sum of its binary digits is even.

The product of its digits is 428652, while the sum is 46.

The square root of 493733917 is about 22220.1241445677. The cubic root of 493733917 is about 790.3709826258.

The spelling of 493733917 in words is "four hundred ninety-three million, seven hundred thirty-three thousand, nine hundred seventeen".