9099785899 has 2 divisors, whose sum is σ = 9099785900. Its totient is φ = 9099785898.

The previous prime is 9099785879. The next prime is 9099785923. The reversal of 9099785899 is 9985879909.

It is a weak prime.

It is an emirp because it is prime and its reverse (9985879909) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 9099785899 - 2³¹ = 6952302251 is a prime.

It is a super-2 number, since 2×9099785899² (a number of 21 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (9099785819) 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 as a sum of consecutive naturals, namely, 4549892949 + 4549892950.

It is an arithmetic number, because the mean of its divisors is an integer number (4549892950).

Almost surely, 2^9099785899 is an apocalyptic number.

9099785899 is a deficient number, since it is larger than the sum of its proper divisors (1).

9099785899 is an equidigital number, since it uses as much as digits as its factorization.

9099785899 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 132269760, while the sum is 73.

The square root of 9099785899 is about 95392.7979409347. The cubic root of 9099785899 is about 2087.7431052240.

The spelling of 9099785899 in words is "nine billion, ninety-nine million, seven hundred eighty-five thousand, eight hundred ninety-nine".