99395809699 has 4 divisors (see below), whose sum is σ = 99396587440. Its totient is φ = 99395031960.

The previous prime is 99395809691. The next prime is 99395809759. The reversal of 99395809699 is 99690859399.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 99690859399 = 673 ⋅148129063.

It is a cyclic number.

It is not a de Polignac number, because 99395809699 - 2³ = 99395809691 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (99395809691) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 147039 + ... + 469480.

It is an arithmetic number, because the mean of its divisors is an integer number (24849146860).

Almost surely, 2^99395809699 is an apocalyptic number.

99395809699 is a deficient number, since it is larger than the sum of its proper divisors (777741).

99395809699 is a wasteful number, since it uses less digits than its factorization.

99395809699 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 777740.

The product of its (nonzero) digits is 382637520, while the sum is 76.

The spelling of 99395809699 in words is "ninety-nine billion, three hundred ninety-five million, eight hundred nine thousand, six hundred ninety-nine".