49950000009 has 24 divisors (see below), whose sum is σ = 88800001472. Its totient is φ = 26347252320.

The previous prime is 49949999987. The next prime is 49950000041. The reversal of 49950000009 is 90000005994.

It is not a de Polignac number, because 49950000009 - 2⁵ = 49949999977 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (49950000109) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 30493687 + ... + 30495324.

Almost surely, 2^49950000009 is an apocalyptic number.

It is an amenable number.

49950000009 is a deficient number, since it is larger than the sum of its proper divisors (38850001463).

49950000009 is a wasteful number, since it uses less digits than its factorization.

49950000009 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 60989037 (or 60989034 counting only the distinct ones).

The product of its (nonzero) digits is 14580, while the sum is 36.

The spelling of 49950000009 in words is "forty-nine billion, nine hundred fifty million, nine", and thus it is an aban number.