99709933 has 2 divisors, whose sum is σ = 99709934. Its totient is φ = 99709932.

The previous prime is 99709901. The next prime is 99709937. The reversal of 99709933 is 33990799.

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., 81757764 + 17952169 = 9042^2 + 4237^2 .

It is an emirp because it is prime and its reverse (33990799) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 99709933 - 2⁵ = 99709901 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (99709937) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 49854966 + 49854967.

It is an arithmetic number, because the mean of its divisors is an integer number (49854967).

Almost surely, 2^99709933 is an apocalyptic number.

It is an amenable number.

99709933 is a deficient number, since it is larger than the sum of its proper divisors (1).

99709933 is an equidigital number, since it uses as much as digits as its factorization.

99709933 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 413343, while the sum is 49.

The square root of 99709933 is about 9985.4861173605. The cubic root of 99709933 is about 463.7096581468.

The spelling of 99709933 in words is "ninety-nine million, seven hundred nine thousand, nine hundred thirty-three".