538843499 has 2 divisors, whose sum is σ = 538843500. Its totient is φ = 538843498.

The previous prime is 538843483. The next prime is 538843511. The reversal of 538843499 is 994348835.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 538843499 - 2⁴ = 538843483 is a prime.

It is a Sophie Germain prime.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 538843499.

It is not a weakly prime, because it can be changed into another prime (538843199) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 269421749 + 269421750.

It is an arithmetic number, because the mean of its divisors is an integer number (269421750).

Almost surely, 2^538843499 is an apocalyptic number.

538843499 is a deficient number, since it is larger than the sum of its proper divisors (1).

538843499 is an equidigital number, since it uses as much as digits as its factorization.

538843499 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 3732480, while the sum is 53.

The square root of 538843499 is about 23213.0028001549. The cubic root of 538843499 is about 813.7435311971.

The spelling of 538843499 in words is "five hundred thirty-eight million, eight hundred forty-three thousand, four hundred ninety-nine".