71268232319 has 4 divisors (see below), whose sum is σ = 72476168520. Its totient is φ = 70060296120.

The previous prime is 71268232261. The next prime is 71268232351. The reversal of 71268232319 is 91323286217.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 91323286217 = 593 ⋅154002169.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-71268232319 is a prime.

It is a super-2 number, since 2×71268232319² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 71268232319.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (71268202319) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 603968012 + ... + 603968129.

It is an arithmetic number, because the mean of its divisors is an integer number (18119042130).

Almost surely, 2^71268232319 is an apocalyptic number.

71268232319 is a deficient number, since it is larger than the sum of its proper divisors (1207936201).

71268232319 is a wasteful number, since it uses less digits than its factorization.

71268232319 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1207936200.

The product of its digits is 217728, while the sum is 44.

The spelling of 71268232319 in words is "seventy-one billion, two hundred sixty-eight million, two hundred thirty-two thousand, three hundred nineteen".