91967329243 has 2 divisors, whose sum is σ = 91967329244. Its totient is φ = 91967329242.

The previous prime is 91967329163. The next prime is 91967329253. The reversal of 91967329243 is 34292376919.

It is a strong prime.

It is an emirp because it is prime and its reverse (34292376919) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 91967329243 - 2²⁵ = 91933774811 is a prime.

It is a super-3 number, since 3×91967329243³ (a number of 34 digits) contains 333 as substring.

It is not a weakly prime, because it can be changed into another prime (91967329253) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 45983664621 + 45983664622.

It is an arithmetic number, because the mean of its divisors is an integer number (45983664622).

Almost surely, 2^91967329243 is an apocalyptic number.

91967329243 is a deficient number, since it is larger than the sum of its proper divisors (1).

91967329243 is an equidigital number, since it uses as much as digits as its factorization.

91967329243 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 4408992, while the sum is 55.

The spelling of 91967329243 in words is "ninety-one billion, nine hundred sixty-seven million, three hundred twenty-nine thousand, two hundred forty-three".