8622136169 has 2 divisors, whose sum is σ = 8622136170. Its totient is φ = 8622136168.

The previous prime is 8622136147. The next prime is 8622136181. The reversal of 8622136169 is 9616312268.

8622136169 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 8106301225 + 515834944 = 90035^2 + 22712^2 .

It is a cyclic number.

It is not a de Polignac number, because 8622136169 - 2¹² = 8622132073 is a prime.

It is a super-2 number, since 2×8622136169² (a number of 21 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (8622136199) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4311068084 + 4311068085.

It is an arithmetic number, because the mean of its divisors is an integer number (4311068085).

Almost surely, 2^8622136169 is an apocalyptic number.

It is an amenable number.

8622136169 is a deficient number, since it is larger than the sum of its proper divisors (1).

8622136169 is an equidigital number, since it uses as much as digits as its factorization.

8622136169 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 186624, while the sum is 44.

The square root of 8622136169 is about 92855.4584771407. The cubic root of 8622136169 is about 2050.5559601756. Note that the first 3 decimals are identical.

The spelling of 8622136169 in words is "eight billion, six hundred twenty-two million, one hundred thirty-six thousand, one hundred sixty-nine".