4989993999999 has 8 divisors (see below), whose sum is σ = 6808053829632. Its totient is φ = 3249298418520.

The previous prime is 4989993999989. The next prime is 4989994000051. The reversal of 4989993999999 is 9999993999894.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a de Polignac number, because none of the positive numbers 2^k-4989993999999 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 4989993999897 and 4989993999906.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4989993999979) 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, 19341061887 + ... + 19341062144.

It is an arithmetic number, because the mean of its divisors is an integer number (851006728704).

Almost surely, 2^{4989993999999} is an apocalyptic number.

4989993999999 is a deficient number, since it is larger than the sum of its proper divisors (1818059829633).

4989993999999 is a wasteful number, since it uses less digits than its factorization.

4989993999999 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38682124077.

The product of its digits is 334731302496, while the sum is 105.

Subtracting from 4989993999999 its sum of digits (105), we obtain a palindrome (4989993999894).

The spelling of 4989993999999 in words is "four trillion, nine hundred eighty-nine billion, nine hundred ninety-three million, nine hundred ninety-nine thousand, nine hundred ninety-nine".