91941329041 has 16 divisors (see below), whose sum is σ = 98413059024. Its totient is φ = 85588844544.

The previous prime is 91941329033. The next prime is 91941329069. The reversal of 91941329041 is 14092314919.

It is a happy number.

It can be written as a sum of positive squares in 8 ways, for example, as 171714816 + 91769614225 = 13104^2 + 302935^2 .

It is a cyclic number.

It is not a de Polignac number, because 91941329041 - 2³ = 91941329033 is a prime.

It is not an unprimeable number, because it can be changed into a prime (91941329741) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2841631 + ... + 2873803.

It is an arithmetic number, because the mean of its divisors is an integer number (6150816189).

Almost surely, 2^91941329041 is an apocalyptic number.

It is an amenable number.

91941329041 is a deficient number, since it is larger than the sum of its proper divisors (6471729983).

91941329041 is a wasteful number, since it uses less digits than its factorization.

91941329041 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34020.

The product of its (nonzero) digits is 69984, while the sum is 43.

The spelling of 91941329041 in words is "ninety-one billion, nine hundred forty-one million, three hundred twenty-nine thousand, forty-one".