4999996999986 has 96 divisors (see below), whose sum is σ = 10463743918080. Its totient is φ = 1591091661600.

The previous prime is 4999996999883. The next prime is 4999996999993. The reversal of 4999996999986 is 6899996999994.

It is a happy number.

It is a Curzon number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 536994271 + ... + 537003581.

It is an arithmetic number, because the mean of its divisors is an integer number (108997332480).

Almost surely, 2^{4999996999986} is an apocalyptic number.

4999996999986 is an abundant number, since it is smaller than the sum of its proper divisors (5463746918094).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

4999996999986 is a wasteful number, since it uses less digits than its factorization.

4999996999986 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9780 (or 9653 counting only the distinct ones).

The product of its digits is 446308403328, while the sum is 105.

The spelling of 4999996999986 in words is "four trillion, nine hundred ninety-nine billion, nine hundred ninety-six million, nine hundred ninety-nine thousand, nine hundred eighty-six".