71901217246319 has 4 divisors (see below), whose sum is σ = 71940145898544. Its totient is φ = 71862288594096.

The previous prime is 71901217246291. The next prime is 71901217246333. The reversal of 71901217246319 is 91364271210917.

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

It is a cyclic number.

It is not a de Polignac number, because 71901217246319 - 2¹² = 71901217242223 is a prime.

It is a super-2 number, since 2×71901217246319² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (71901217246379) 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, 19464323342 + ... + 19464327035.

It is an arithmetic number, because the mean of its divisors is an integer number (17985036474636).

Almost surely, 2^{71901217246319} is an apocalyptic number.

71901217246319 is a deficient number, since it is larger than the sum of its proper divisors (38928652225).

71901217246319 is a wasteful number, since it uses less digits than its factorization.

71901217246319 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38928652224.

The product of its (nonzero) digits is 1143072, while the sum is 53.

The spelling of 71901217246319 in words is "seventy-one trillion, nine hundred one billion, two hundred seventeen million, two hundred forty-six thousand, three hundred nineteen".