99143899834199 has 4 divisors (see below), whose sum is σ = 108156981637320. Its totient is φ = 90130818031080.

The previous prime is 99143899834193. The next prime is 99143899834201.

99143899834199 is nontrivially palindromic in base 10.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 99143899834199 - 2²⁸ = 99143631398743 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 99143899834199.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (99143899834193) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4506540901544 + ... + 4506540901565.

It is an arithmetic number, because the mean of its divisors is an integer number (27039245409330).

Almost surely, 2^{99143899834199} is an apocalyptic number.

99143899834199 is a deficient number, since it is larger than the sum of its proper divisors (9013081803121).

99143899834199 is a wasteful number, since it uses less digits than its factorization.

99143899834199 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9013081803120.

The product of its digits is 4897760256, while the sum is 86.

The spelling of 99143899834199 in words is "ninety-nine trillion, one hundred forty-three billion, eight hundred ninety-nine million, eight hundred thirty-four thousand, one hundred ninety-nine".