493471843 has 2 divisors, whose sum is σ = 493471844. Its totient is φ = 493471842.

The previous prime is 493471837. The next prime is 493471861. The reversal of 493471843 is 348174394.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-493471843 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 493471843.

It is not a weakly prime, because it can be changed into another prime (493471813) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 246735921 + 246735922.

It is an arithmetic number, because the mean of its divisors is an integer number (246735922).

Almost surely, 2^493471843 is an apocalyptic number.

493471843 is a deficient number, since it is larger than the sum of its proper divisors (1).

493471843 is an equidigital number, since it uses as much as digits as its factorization.

493471843 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 290304, while the sum is 43.

The square root of 493471843 is about 22214.2261400212. The cubic root of 493471843 is about 790.2311148834.

The spelling of 493471843 in words is "four hundred ninety-three million, four hundred seventy-one thousand, eight hundred forty-three".