49999999799 has 8 divisors (see below), whose sum is σ = 51172083600. Its totient is φ = 48828338496.

The previous prime is 49999999781. The next prime is 49999999811. The reversal of 49999999799 is 99799999994.

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 49999999799 - 2²⁸ = 49731564343 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 (49999999729) 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, 140477 + ... + 346025.

It is an arithmetic number, because the mean of its divisors is an integer number (6396510450).

Almost surely, 2^49999999799 is an apocalyptic number.

49999999799 is a deficient number, since it is larger than the sum of its proper divisors (1172083801).

49999999799 is a wasteful number, since it uses less digits than its factorization.

49999999799 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 211249.

The product of its digits is 10847773692, while the sum is 92.

The spelling of 49999999799 in words is "forty-nine billion, nine hundred ninety-nine million, nine hundred ninety-nine thousand, seven hundred ninety-nine".