71695231189 has 4 divisors (see below), whose sum is σ = 71792248480. Its totient is φ = 71598213900.

The previous prime is 71695231117. The next prime is 71695231207. The reversal of 71695231189 is 98113259617.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 98113259617 = 14683 ⋅6682099.

It is a cyclic number.

It is not a de Polignac number, because 71695231189 - 2¹³ = 71695222997 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (71695231789) 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, 48507537 + ... + 48509014.

It is an arithmetic number, because the mean of its divisors is an integer number (17948062120).

Almost surely, 2^71695231189 is an apocalyptic number.

It is an amenable number.

71695231189 is a deficient number, since it is larger than the sum of its proper divisors (97017291).

71695231189 is an equidigital number, since it uses as much as digits as its factorization.

71695231189 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 97017290.

The product of its digits is 816480, while the sum is 52.

The spelling of 71695231189 in words is "seventy-one billion, six hundred ninety-five million, two hundred thirty-one thousand, one hundred eighty-nine".