99291819299 has 2 divisors, whose sum is σ = 99291819300. Its totient is φ = 99291819298.

The previous prime is 99291819293. The next prime is 99291819317.

99291819299 is nontrivially palindromic in base 10.

It is a weak prime.

It is a palprime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-99291819299 is a prime.

It is not a weakly prime, because it can be changed into another prime (99291819293) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 49645909649 + 49645909650.

It is an arithmetic number, because the mean of its divisors is an integer number (49645909650).

Almost surely, 2^99291819299 is an apocalyptic number.

99291819299 is a deficient number, since it is larger than the sum of its proper divisors (1).

99291819299 is an equidigital number, since it uses as much as digits as its factorization.

99291819299 is an evil number, because the sum of its binary digits is even.

The product of its digits is 17006112, while the sum is 68.

The spelling of 99291819299 in words is "ninety-nine billion, two hundred ninety-one million, eight hundred nineteen thousand, two hundred ninety-nine".