91091829083 has 2 divisors, whose sum is σ = 91091829084. Its totient is φ = 91091829082.

The previous prime is 91091829013. The next prime is 91091829097. The reversal of 91091829083 is 38092819019.

It is a happy number.

It is a strong prime.

It is an emirp because it is prime and its reverse (38092819019) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 91091829083 - 2²⁰ = 91090780507 is a prime.

It is a super-3 number, since 3×91091829083³ (a number of 34 digits) contains 333 as substring.

It is not a weakly prime, because it can be changed into another prime (91091829013) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 45545914541 + 45545914542.

It is an arithmetic number, because the mean of its divisors is an integer number (45545914542).

Almost surely, 2^91091829083 is an apocalyptic number.

91091829083 is a deficient number, since it is larger than the sum of its proper divisors (1).

91091829083 is an equidigital number, since it uses as much as digits as its factorization.

91091829083 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 279936, while the sum is 50.

The spelling of 91091829083 in words is "ninety-one billion, ninety-one million, eight hundred twenty-nine thousand, eighty-three".