99999913369 has 2 divisors, whose sum is σ = 99999913370. Its totient is φ = 99999913368.

The previous prime is 99999913319. The next prime is 99999913373. The reversal of 99999913369 is 96331999999.

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., 68248950025 + 31750963344 = 261245^2 + 178188^2 .

It is an emirp because it is prime and its reverse (96331999999) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 99999913369 - 2¹³ = 99999905177 is a prime.

It is a super-2 number, since 2×99999913369² (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 99999913295 and 99999913304.

It is not a weakly prime, because it can be changed into another prime (99999913309) 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, 49999956684 + 49999956685.

It is an arithmetic number, because the mean of its divisors is an integer number (49999956685).

Almost surely, 2^99999913369 is an apocalyptic number.

It is an amenable number.

99999913369 is a deficient number, since it is larger than the sum of its proper divisors (1).

99999913369 is an equidigital number, since it uses as much as digits as its factorization.

99999913369 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 258280326, while the sum is 76.

The spelling of 99999913369 in words is "ninety-nine billion, nine hundred ninety-nine million, nine hundred thirteen thousand, three hundred sixty-nine".