1099338899 has 2 divisors, whose sum is σ = 1099338900. Its totient is φ = 1099338898.

The previous prime is 1099338893. The next prime is 1099338913. The reversal of 1099338899 is 9988339901.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1099338899 is a prime.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (1099338893) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 549669449 + 549669450.

It is an arithmetic number, because the mean of its divisors is an integer number (549669450).

Almost surely, 2^1099338899 is an apocalyptic number.

1099338899 is a deficient number, since it is larger than the sum of its proper divisors (1).

1099338899 is an equidigital number, since it uses as much as digits as its factorization.

1099338899 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3779136, while the sum is 59.

The square root of 1099338899 is about 33156.2799330685. The cubic root of 1099338899 is about 1032.0732735842.

The spelling of 1099338899 in words is "one billion, ninety-nine million, three hundred thirty-eight thousand, eight hundred ninety-nine".