99133109 has 2 divisors, whose sum is σ = 99133110. Its totient is φ = 99133108.

The previous prime is 99133079. The next prime is 99133117. The reversal of 99133109 is 90133199.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 90193009 + 8940100 = 9497^2 + 2990^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-99133109 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is equal to p_5714396 and since 99133109 and 5714396 have the same sum of digits, it is a Honaker prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (99133129) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 49566554 + 49566555.

It is an arithmetic number, because the mean of its divisors is an integer number (49566555).

Almost surely, 2^99133109 is an apocalyptic number.

It is an amenable number.

99133109 is a deficient number, since it is larger than the sum of its proper divisors (1).

99133109 is an equidigital number, since it uses as much as digits as its factorization.

99133109 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 6561, while the sum is 35.

The square root of 99133109 is about 9956.5611031119. The cubic root of 99133109 is about 462.8137383318.

The spelling of 99133109 in words is "ninety-nine million, one hundred thirty-three thousand, one hundred nine".