91073395794 has 16 divisors (see below), whose sum is σ = 182963596032. Its totient is φ = 30221664528.

The previous prime is 91073395793. The next prime is 91073395801. The reversal of 91073395794 is 49759337019.

It is not an unprimeable number, because it can be changed into a prime (91073395793) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 34032069 + ... + 34034744.

It is an arithmetic number, because the mean of its divisors is an integer number (11435224752).

Almost surely, 2^91073395794 is an apocalyptic number.

91073395794 is an abundant number, since it is smaller than the sum of its proper divisors (91890200238).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

91073395794 is a wasteful number, since it uses less digits than its factorization.

91073395794 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 68067041.

The product of its (nonzero) digits is 6429780, while the sum is 57.

The spelling of 91073395794 in words is "ninety-one billion, seventy-three million, three hundred ninety-five thousand, seven hundred ninety-four".