89055946169 has 2 divisors, whose sum is σ = 89055946170. Its totient is φ = 89055946168.

The previous prime is 89055946153. The next prime is 89055946223. The reversal of 89055946169 is 96164955098.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 82147011769 + 6908934400 = 286613^2 + 83120^2 .

It is a cyclic number.

It is not a de Polignac number, because 89055946169 - 2⁴ = 89055946153 is a prime.

It is a super-2 number, since 2×89055946169² (a number of 23 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (89055946129) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 44527973084 + 44527973085.

It is an arithmetic number, because the mean of its divisors is an integer number (44527973085).

Almost surely, 2^89055946169 is an apocalyptic number.

It is an amenable number.

89055946169 is a deficient number, since it is larger than the sum of its proper divisors (1).

89055946169 is an equidigital number, since it uses as much as digits as its factorization.

89055946169 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 20995200, while the sum is 62.

The spelling of 89055946169 in words is "eighty-nine billion, fifty-five million, nine hundred forty-six thousand, one hundred sixty-nine".