91306693214 has 8 divisors (see below), whose sum is σ = 149410952568. Its totient is φ = 41503042360.

The previous prime is 91306693211. The next prime is 91306693237. The reversal of 91306693214 is 41239660319.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (91306693211) 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 in 3 ways as a sum of consecutive naturals, for example, 2075152097 + ... + 2075152140.

It is an arithmetic number, because the mean of its divisors is an integer number (18676369071).

Almost surely, 2^91306693214 is an apocalyptic number.

91306693214 is a deficient number, since it is larger than the sum of its proper divisors (58104259354).

91306693214 is a wasteful number, since it uses less digits than its factorization.

91306693214 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4150304250.

The product of its (nonzero) digits is 209952, while the sum is 44.

The spelling of 91306693214 in words is "ninety-one billion, three hundred six million, six hundred ninety-three thousand, two hundred fourteen".