2899999338684 has 192 divisors, whose sum is σ = 8287934914560. Its totient is φ = 771392885760.

The previous prime is 2899999338661. The next prime is 2899999338689. The reversal of 2899999338684 is 4868339999982.

It is a happy number.

2899999338684 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (87).

It is a self number, because there is not a number n which added to its sum of digits gives 2899999338684.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2899999338689) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 20848614 + ... + 20987250.

It is an arithmetic number, because the mean of its divisors is an integer number (43166327680).

Almost surely, 2^{2899999338684} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2899999338684, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4143967457280).

2899999338684 is an abundant number, since it is smaller than the sum of its proper divisors (5387935575876).

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

2899999338684 is a wasteful number, since it uses less digits than its factorization.

2899999338684 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 138988 (or 138986 counting only the distinct ones).

The product of its digits is 13060694016, while the sum is 87.

The spelling of 2899999338684 in words is "two trillion, eight hundred ninety-nine billion, nine hundred ninety-nine million, three hundred thirty-eight thousand, six hundred eighty-four".