99834734969 has 2 divisors, whose sum is σ = 99834734970. Its totient is φ = 99834734968.

The previous prime is 99834734953. The next prime is 99834734981. The reversal of 99834734969 is 96943743899.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 99737219344 + 97515625 = 315812^2 + 9875^2 .

It is a cyclic number.

It is not a de Polignac number, because 99834734969 - 2⁴ = 99834734953 is a prime.

It is a super-2 number, since 2×99834734969² (a number of 23 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (99834734999) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 49917367484 + 49917367485.

It is an arithmetic number, because the mean of its divisors is an integer number (49917367485).

Almost surely, 2^99834734969 is an apocalyptic number.

It is an amenable number.

99834734969 is a deficient number, since it is larger than the sum of its proper divisors (1).

99834734969 is an equidigital number, since it uses as much as digits as its factorization.

99834734969 is an evil number, because the sum of its binary digits is even.

The product of its digits is 317447424, while the sum is 71.

The spelling of 99834734969 in words is "ninety-nine billion, eight hundred thirty-four million, seven hundred thirty-four thousand, nine hundred sixty-nine".