500049999 has 12 divisors (see below), whose sum is σ = 760310200.
Its totient is φ = 315820944.
The previous prime is 500049989. The next prime is 500050003. The reversal of 500049999 is 999940005.
It is a happy number.
It is not a de Polignac number, because 500049999 - 220 = 499001423 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (500049989) by changing a digit.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1461964 + ... + 1462305.
Almost surely, 2500049999 is an apocalyptic number.
500049999 is a deficient number, since it is larger than the sum of its proper divisors (260260201).
500049999 is a wasteful number, since it uses less digits than its factorization.
500049999 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2924294 (or 2924291 counting only the distinct ones).
The product of its (nonzero) digits is 131220, while the sum is 45.
The square root of 500049999 is about 22361.7977586776.
The cubic root of 500049999 is about 793.7269812574.
The spelling of 500049999 in words is "five hundred million, forty-nine thousand, nine hundred ninety-nine".