99433813 has 2 divisors, whose sum is σ = 99433814. Its totient is φ = 99433812.

The previous prime is 99433781. The next prime is 99433819. The reversal of 99433813 is 31833499.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 98366724 + 1067089 = 9918^2 + 1033^2 .

It is a cyclic number.

It is not a de Polignac number, because 99433813 - 2⁵ = 99433781 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (99433819) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 49716906 + 49716907.

It is an arithmetic number, because the mean of its divisors is an integer number (49716907).

Almost surely, 2^99433813 is an apocalyptic number.

It is an amenable number.

99433813 is a deficient number, since it is larger than the sum of its proper divisors (1).

99433813 is an equidigital number, since it uses as much as digits as its factorization.

99433813 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 69984, while the sum is 40.

The square root of 99433813 is about 9971.6504651938. The cubic root of 99433813 is about 463.2812224516.

The spelling of 99433813 in words is "ninety-nine million, four hundred thirty-three thousand, eight hundred thirteen".