99913089629 has 2 divisors, whose sum is σ = 99913089630. Its totient is φ = 99913089628.

The previous prime is 99913089569. The next prime is 99913089631. The reversal of 99913089629 is 92698031999.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 59148672025 + 40764417604 = 243205^2 + 201902^2 .

It is an emirp because it is prime and its reverse (92698031999) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 99913089629 - 2¹⁶ = 99913024093 is a prime.

Together with 99913089631, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (99913089649) 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, 49956544814 + 49956544815.

It is an arithmetic number, because the mean of its divisors is an integer number (49956544815).

Almost surely, 2^99913089629 is an apocalyptic number.

It is an amenable number.

99913089629 is a deficient number, since it is larger than the sum of its proper divisors (1).

99913089629 is an equidigital number, since it uses as much as digits as its factorization.

99913089629 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 17006112, while the sum is 65.

The spelling of 99913089629 in words is "ninety-nine billion, nine hundred thirteen million, eighty-nine thousand, six hundred twenty-nine".