844348499 has 2 divisors, whose sum is σ = 844348500. Its totient is φ = 844348498.

The previous prime is 844348481. The next prime is 844348523. The reversal of 844348499 is 994843448.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 844348499 - 2⁸ = 844348243 is a 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 844348499.

It is not a weakly prime, because it can be changed into another prime (844348409) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 422174249 + 422174250.

It is an arithmetic number, because the mean of its divisors is an integer number (422174250).

Almost surely, 2^844348499 is an apocalyptic number.

844348499 is a deficient number, since it is larger than the sum of its proper divisors (1).

844348499 is an equidigital number, since it uses as much as digits as its factorization.

844348499 is an evil number, because the sum of its binary digits is even.

The product of its digits is 3981312, while the sum is 53.

The square root of 844348499 is about 29057.6753887850. The cubic root of 844348499 is about 945.1641602405.

The spelling of 844348499 in words is "eight hundred forty-four million, three hundred forty-eight thousand, four hundred ninety-nine".