499958449 has 2 divisors, whose sum is σ = 499958450. Its totient is φ = 499958448.

The previous prime is 499958447. The next prime is 499958453. The reversal of 499958449 is 944859994.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 476985600 + 22972849 = 21840^2 + 4793^2 .

It is a cyclic number.

It is not a de Polignac number, because 499958449 - 2¹ = 499958447 is a prime.

Together with 499958447, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (499958441) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 249979224 + 249979225.

It is an arithmetic number, because the mean of its divisors is an integer number (249979225).

Almost surely, 2^499958449 is an apocalyptic number.

It is an amenable number.

499958449 is a deficient number, since it is larger than the sum of its proper divisors (1).

499958449 is an equidigital number, since it uses as much as digits as its factorization.

499958449 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 16796160, while the sum is 61.

The square root of 499958449 is about 22359.7506470891. The cubic root of 499958449 is about 793.6785393413.

The spelling of 499958449 in words is "four hundred ninety-nine million, nine hundred fifty-eight thousand, four hundred forty-nine".