99645670063 has 2 divisors, whose sum is σ = 99645670064. Its totient is φ = 99645670062.

The previous prime is 99645670021. The next prime is 99645670121. The reversal of 99645670063 is 36007654699.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 99645670063 - 2²⁹ = 99108799151 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 99645669986 and 99645670013.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (99645670363) 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, 49822835031 + 49822835032.

It is an arithmetic number, because the mean of its divisors is an integer number (49822835032).

Almost surely, 2^99645670063 is an apocalyptic number.

99645670063 is a deficient number, since it is larger than the sum of its proper divisors (1).

99645670063 is an equidigital number, since it uses as much as digits as its factorization.

99645670063 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 7348320, while the sum is 55.

The spelling of 99645670063 in words is "ninety-nine billion, six hundred forty-five million, six hundred seventy thousand, sixty-three".