49998717503999 has 16 divisors (see below), whose sum is σ = 58045689399456. Its totient is φ = 42562495718400.

The previous prime is 49998717503983. The next prime is 49998717504013. The reversal of 49998717503999 is 99930571789994.

It is a Cunningham number, because it is equal to 36840³-1.

It is a cyclic number.

It is not a de Polignac number, because 49998717503999 - 2⁴ = 49998717503983 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (49998717503939) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (31) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 678574382 + ... + 678648059.

It is an arithmetic number, because the mean of its divisors is an integer number (3627855587466).

Almost surely, 2^{49998717503999} is an apocalyptic number.

49998717503999 is a deficient number, since it is larger than the sum of its proper divisors (8046971895457).

49998717503999 is a wasteful number, since it uses less digits than its factorization.

49998717503999 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1357222666.

The product of its (nonzero) digits is 12499492320, while the sum is 89.

The spelling of 49998717503999 in words is "forty-nine trillion, nine hundred ninety-eight billion, seven hundred seventeen million, five hundred three thousand, nine hundred ninety-nine".