99585349109 has 2 divisors, whose sum is σ = 99585349110. Its totient is φ = 99585349108.

The previous prime is 99585349091. The next prime is 99585349111. The reversal of 99585349109 is 90194358599.

It is a happy number.

Together with previous prime (99585349091) it forms an Ormiston pair, because they use the same digits, order apart.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 92733648484 + 6851700625 = 304522^2 + 82775^2 .

It is an emirp because it is prime and its reverse (90194358599) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 99585349109 - 2²⁰ = 99584300533 is a prime.

It is a super-2 number, since 2×99585349109² (a number of 23 digits) contains 22 as substring.

Together with 99585349111, 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 (99585340109) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 49792674554 + 49792674555.

It is an arithmetic number, because the mean of its divisors is an integer number (49792674555).

Almost surely, 2^99585349109 is an apocalyptic number.

It is an amenable number.

99585349109 is a deficient number, since it is larger than the sum of its proper divisors (1).

99585349109 is an equidigital number, since it uses as much as digits as its factorization.

99585349109 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 15746400, while the sum is 62.

The spelling of 99585349109 in words is "ninety-nine billion, five hundred eighty-five million, three hundred forty-nine thousand, one hundred nine".