99349894399 has 4 divisors (see below), whose sum is σ = 113542736464. Its totient is φ = 85157052336.

The previous prime is 99349894363. The next prime is 99349894451.

99349894399 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 99349894399 - 2⁹ = 99349893887 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (99349894309) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7096421022 + ... + 7096421035.

It is an arithmetic number, because the mean of its divisors is an integer number (28385684116).

Almost surely, 2^99349894399 is an apocalyptic number.

99349894399 is a deficient number, since it is larger than the sum of its proper divisors (14192842065).

99349894399 is a wasteful number, since it uses less digits than its factorization.

99349894399 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14192842064.

The product of its digits is 612220032, while the sum is 76.

The spelling of 99349894399 in words is "ninety-nine billion, three hundred forty-nine million, eight hundred ninety-four thousand, three hundred ninety-nine".