91196069 has 2 divisors, whose sum is σ = 91196070. Its totient is φ = 91196068.

The previous prime is 91196059. The next prime is 91196071. The reversal of 91196069 is 96069119.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 88830625 + 2365444 = 9425^2 + 1538^2 .

It is a cyclic number.

It is not a de Polignac number, because 91196069 - 2⁸ = 91195813 is a prime.

It is a super-3 number, since 3×91196069³ (a number of 25 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

Together with 91196071, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (91196059) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 45598034 + 45598035.

It is an arithmetic number, because the mean of its divisors is an integer number (45598035).

Almost surely, 2^91196069 is an apocalyptic number.

It is an amenable number.

91196069 is a deficient number, since it is larger than the sum of its proper divisors (1).

91196069 is an equidigital number, since it uses as much as digits as its factorization.

91196069 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 26244, while the sum is 41.

The square root of 91196069 is about 9549.6632924936. The cubic root of 91196069 is about 450.1169556087.

The spelling of 91196069 in words is "ninety-one million, one hundred ninety-six thousand, sixty-nine".