493023959 has 2 divisors, whose sum is σ = 493023960. Its totient is φ = 493023958.

The previous prime is 493023889. The next prime is 493024009. The reversal of 493023959 is 959320394.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-493023959 is a prime.

It is a Sophie Germain prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (493023259) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 246511979 + 246511980.

It is an arithmetic number, because the mean of its divisors is an integer number (246511980).

Almost surely, 2^493023959 is an apocalyptic number.

493023959 is a deficient number, since it is larger than the sum of its proper divisors (1).

493023959 is an equidigital number, since it uses as much as digits as its factorization.

493023959 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 262440, while the sum is 44.

The square root of 493023959 is about 22204.1428341650. The cubic root of 493023959 is about 789.9919664835.

The spelling of 493023959 in words is "four hundred ninety-three million, twenty-three thousand, nine hundred fifty-nine".