91097718791314 has 32 divisors (see below), whose sum is σ = 141132245120064. Its totient is φ = 44073846136320.

The previous prime is 91097718791293. The next prime is 91097718791327. The reversal of 91097718791314 is 41319781779019.

It is a self number, because there is not a number n which added to its sum of digits gives 91097718791314.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 17125134 + ... + 21805174.

It is an arithmetic number, because the mean of its divisors is an integer number (4410382660002).

Almost surely, 2^{91097718791314} is an apocalyptic number.

91097718791314 is a deficient number, since it is larger than the sum of its proper divisors (50034526328750).

91097718791314 is a wasteful number, since it uses less digits than its factorization.

91097718791314 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4682202.

The product of its (nonzero) digits is 24004512, while the sum is 67.

The spelling of 91097718791314 in words is "ninety-one trillion, ninety-seven billion, seven hundred eighteen million, seven hundred ninety-one thousand, three hundred fourteen".