91671344307 has 6 divisors (see below), whose sum is σ = 132414164012. Its totient is φ = 61114229532.

The previous prime is 91671344293. The next prime is 91671344311. The reversal of 91671344307 is 70344317619.

It is not a de Polignac number, because 91671344307 - 2⁶ = 91671344243 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (91671342307) 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 5 ways as a sum of consecutive naturals, for example, 5092852453 + ... + 5092852470.

Almost surely, 2^91671344307 is an apocalyptic number.

91671344307 is a deficient number, since it is larger than the sum of its proper divisors (40742819705).

91671344307 is a wasteful number, since it uses less digits than its factorization.

91671344307 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10185704929 (or 10185704926 counting only the distinct ones).

The product of its (nonzero) digits is 381024, while the sum is 45.

The spelling of 91671344307 in words is "ninety-one billion, six hundred seventy-one million, three hundred forty-four thousand, three hundred seven".