91933242214 has 32 divisors (see below), whose sum is σ = 157120819200. Its totient is φ = 39969289440.

The previous prime is 91933242199. The next prime is 91933242217. The reversal of 91933242214 is 41224233919.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (91933242217) 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, 909094 + ... + 1005145.

It is an arithmetic number, because the mean of its divisors is an integer number (4910025600).

Almost surely, 2^91933242214 is an apocalyptic number.

91933242214 is a deficient number, since it is larger than the sum of its proper divisors (65187576986).

91933242214 is a wasteful number, since it uses less digits than its factorization.

91933242214 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1914348.

The product of its digits is 93312, while the sum is 40.

The spelling of 91933242214 in words is "ninety-one billion, nine hundred thirty-three million, two hundred forty-two thousand, two hundred fourteen".