99299190091 has 4 divisors (see below), whose sum is σ = 99302391784. Its totient is φ = 99295988400.

The previous prime is 99299190079. The next prime is 99299190131. The reversal of 99299190091 is 19009199299.

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 99299190091 - 2¹⁹ = 99298665803 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (99299190061) 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, 1553865 + ... + 1616506.

It is an arithmetic number, because the mean of its divisors is an integer number (24825597946).

Almost surely, 2^99299190091 is an apocalyptic number.

99299190091 is a deficient number, since it is larger than the sum of its proper divisors (3201693).

99299190091 is a wasteful number, since it uses less digits than its factorization.

99299190091 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3201692.

The product of its (nonzero) digits is 1062882, while the sum is 58.

The spelling of 99299190091 in words is "ninety-nine billion, two hundred ninety-nine million, one hundred ninety thousand, ninety-one".