99995816969 has 2 divisors, whose sum is σ = 99995816970. Its totient is φ = 99995816968.

The previous prime is 99995816941. The next prime is 99995816981. The reversal of 99995816969 is 96961859999.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 86414245369 + 13581571600 = 293963^2 + 116540^2 .

It is an emirp because it is prime and its reverse (96961859999) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-99995816969 is a prime.

It is a super-2 number, since 2×99995816969² (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 99995816893 and 99995816902.

It is not a weakly prime, because it can be changed into another prime (99995816069) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 49997908484 + 49997908485.

It is an arithmetic number, because the mean of its divisors is an integer number (49997908485).

Almost surely, 2^99995816969 is an apocalyptic number.

It is an amenable number.

99995816969 is a deficient number, since it is larger than the sum of its proper divisors (1).

99995816969 is an equidigital number, since it uses as much as digits as its factorization.

99995816969 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 765275040, while the sum is 80.

The spelling of 99995816969 in words is "ninety-nine billion, nine hundred ninety-five million, eight hundred sixteen thousand, nine hundred sixty-nine".