99913089329 has 2 divisors, whose sum is σ = 99913089330. Its totient is φ = 99913089328.

The previous prime is 99913089301. The next prime is 99913089343. The reversal of 99913089329 is 92398031999.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 66227993104 + 33685096225 = 257348^2 + 183535^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-99913089329 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (99913089629) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 49956544664 + 49956544665.

It is an arithmetic number, because the mean of its divisors is an integer number (49956544665).

Almost surely, 2^99913089329 is an apocalyptic number.

It is an amenable number.

99913089329 is a deficient number, since it is larger than the sum of its proper divisors (1).

99913089329 is an equidigital number, since it uses as much as digits as its factorization.

99913089329 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 8503056, while the sum is 62.

The spelling of 99913089329 in words is "ninety-nine billion, nine hundred thirteen million, eighty-nine thousand, three hundred twenty-nine".