91828291901 has 2 divisors, whose sum is σ = 91828291902. Its totient is φ = 91828291900.

The previous prime is 91828291879. The next prime is 91828291921. The reversal of 91828291901 is 10919282819.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 82394832025 + 9433459876 = 287045^2 + 97126^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-91828291901 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 91828291901.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (91828291921) 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, 45914145950 + 45914145951.

It is an arithmetic number, because the mean of its divisors is an integer number (45914145951).

Almost surely, 2^91828291901 is an apocalyptic number.

It is an amenable number.

91828291901 is a deficient number, since it is larger than the sum of its proper divisors (1).

91828291901 is an equidigital number, since it uses as much as digits as its factorization.

91828291901 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 186624, while the sum is 50.

The spelling of 91828291901 in words is "ninety-one billion, eight hundred twenty-eight million, two hundred ninety-one thousand, nine hundred one".