99165849049 has 2 divisors, whose sum is σ = 99165849050. Its totient is φ = 99165849048.

The previous prime is 99165849037. The next prime is 99165849053. The reversal of 99165849049 is 94094856199.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 98890123024 + 275726025 = 314468^2 + 16605^2 .

It is a cyclic number.

It is not a de Polignac number, because 99165849049 - 2⁵ = 99165849017 is a prime.

It is not a weakly prime, because it can be changed into another prime (99165849059) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 49582924524 + 49582924525.

It is an arithmetic number, because the mean of its divisors is an integer number (49582924525).

Almost surely, 2^99165849049 is an apocalyptic number.

It is an amenable number.

99165849049 is a deficient number, since it is larger than the sum of its proper divisors (1).

99165849049 is an equidigital number, since it uses as much as digits as its factorization.

99165849049 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 25194240, while the sum is 64.

The spelling of 99165849049 in words is "ninety-nine billion, one hundred sixty-five million, eight hundred forty-nine thousand, forty-nine".