499999442249 has 8 divisors (see below), whose sum is σ = 531683329320. Its totient is φ = 468568016896.

The previous prime is 499999442231. The next prime is 499999442279. The reversal of 499999442249 is 942244999994.

It can be written as a sum of positive squares in 4 ways, for example, as 52495974400 + 447503467849 = 229120^2 + 668957^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 499999442249 - 2⁸ = 499999441993 is a prime.

It is a super-2 number, since 2×499999442249² (a number of 24 digits) contains 22 as substring.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (499999442219) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 63111344 + ... + 63119265.

It is an arithmetic number, because the mean of its divisors is an integer number (66460416165).

Almost surely, 2^499999442249 is an apocalyptic number.

It is an amenable number.

499999442249 is a deficient number, since it is larger than the sum of its proper divisors (31683887071).

499999442249 is a wasteful number, since it uses less digits than its factorization.

499999442249 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 126230859.

The product of its digits is 544195584, while the sum is 74.

The spelling of 499999442249 in words is "four hundred ninety-nine billion, nine hundred ninety-nine million, four hundred forty-two thousand, two hundred forty-nine".