50000049999 has 48 divisors (see below), whose sum is σ = 73426080000. Its totient is φ = 32784144768.

The previous prime is 50000049989. The next prime is 50000050019. The reversal of 50000049999 is 99994000005.

It is a happy number.

It is not a de Polignac number, because 50000049999 - 2⁹ = 50000049487 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (50000049949) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 100200252 + ... + 100200750.

It is an arithmetic number, because the mean of its divisors is an integer number (1529710000).

Almost surely, 2^50000049999 is an apocalyptic number.

50000049999 is a deficient number, since it is larger than the sum of its proper divisors (23426030001).

50000049999 is a wasteful number, since it uses less digits than its factorization.

50000049999 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1244 (or 1241 counting only the distinct ones).

The product of its (nonzero) digits is 131220, while the sum is 45.

The spelling of 50000049999 in words is "fifty billion, forty-nine thousand, nine hundred ninety-nine".