65912873471 has 4 divisors (see below), whose sum is σ = 65914278600. Its totient is φ = 65911468344.

The previous prime is 65912873437. The next prime is 65912873479. The reversal of 65912873471 is 17437821956.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-65912873471 is a prime.

It is a super-3 number, since 3×65912873471³ (a number of 33 digits) contains 333 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 (65912873479) 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, 629681 + ... + 726858.

It is an arithmetic number, because the mean of its divisors is an integer number (16478569650).

Almost surely, 2^65912873471 is an apocalyptic number.

65912873471 is a deficient number, since it is larger than the sum of its proper divisors (1405129).

65912873471 is a wasteful number, since it uses less digits than its factorization.

65912873471 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1405128.

The product of its digits is 2540160, while the sum is 53.

The spelling of 65912873471 in words is "sixty-five billion, nine hundred twelve million, eight hundred seventy-three thousand, four hundred seventy-one".