91713171342601 has 4 divisors (see below), whose sum is σ = 91713320122900. Its totient is φ = 91713022562304.

The previous prime is 91713171342523. The next prime is 91713171342659. The reversal of 91713171342601 is 10624317131719.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 39344444425225 + 52368726917376 = 6272515^2 + 7236624^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-91713171342601 is a prime.

It is a super-2 number, since 2×91713171342601² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (91713171342671) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 73461636 + ... + 74699653.

It is an arithmetic number, because the mean of its divisors is an integer number (22928330030725).

Almost surely, 2^{91713171342601} is an apocalyptic number.

It is an amenable number.

91713171342601 is a deficient number, since it is larger than the sum of its proper divisors (148780299).

91713171342601 is a wasteful number, since it uses less digits than its factorization.

91713171342601 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 148780298.

The product of its (nonzero) digits is 190512, while the sum is 46.

The spelling of 91713171342601 in words is "ninety-one trillion, seven hundred thirteen billion, one hundred seventy-one million, three hundred forty-two thousand, six hundred one".