499748399 has 2 divisors, whose sum is σ = 499748400. Its totient is φ = 499748398.

The previous prime is 499748369. The next prime is 499748407. The reversal of 499748399 is 993847994.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 499748399 - 2⁸ = 499748143 is a 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 (499748369) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 249874199 + 249874200.

It is an arithmetic number, because the mean of its divisors is an integer number (249874200).

Almost surely, 2^499748399 is an apocalyptic number.

499748399 is a deficient number, since it is larger than the sum of its proper divisors (1).

499748399 is an equidigital number, since it uses as much as digits as its factorization.

499748399 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 17635968, while the sum is 62.

The square root of 499748399 is about 22355.0530976779. The cubic root of 499748399 is about 793.5673730833.

The spelling of 499748399 in words is "four hundred ninety-nine million, seven hundred forty-eight thousand, three hundred ninety-nine".