493321859 has 2 divisors, whose sum is σ = 493321860. Its totient is φ = 493321858.

The previous prime is 493321853. The next prime is 493321889. The reversal of 493321859 is 958123394.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 493321859 - 2¹² = 493317763 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (493321853) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 246660929 + 246660930.

It is an arithmetic number, because the mean of its divisors is an integer number (246660930).

Almost surely, 2^493321859 is an apocalyptic number.

493321859 is a deficient number, since it is larger than the sum of its proper divisors (1).

493321859 is an equidigital number, since it uses as much as digits as its factorization.

493321859 is an evil number, because the sum of its binary digits is even.

The product of its digits is 233280, while the sum is 44.

The square root of 493321859 is about 22210.8500287585. The cubic root of 493321859 is about 790.1510468006.

The spelling of 493321859 in words is "four hundred ninety-three million, three hundred twenty-one thousand, eight hundred fifty-nine".