99411709 has 2 divisors, whose sum is σ = 99411710. Its totient is φ = 99411708.

The previous prime is 99411703. The next prime is 99411731. The reversal of 99411709 is 90711499.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 77528025 + 21883684 = 8805^2 + 4678^2 .

It is an emirp because it is prime and its reverse (90711499) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 99411709 - 2³ = 99411701 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (99411701) 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, 49705854 + 49705855.

It is an arithmetic number, because the mean of its divisors is an integer number (49705855).

Almost surely, 2^99411709 is an apocalyptic number.

It is an amenable number.

99411709 is a deficient number, since it is larger than the sum of its proper divisors (1).

99411709 is an equidigital number, since it uses as much as digits as its factorization.

99411709 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 20412, while the sum is 40.

The square root of 99411709 is about 9970.5420614929. The cubic root of 99411709 is about 463.2468909812.

The spelling of 99411709 in words is "ninety-nine million, four hundred eleven thousand, seven hundred nine".