65973498812 has 12 divisors (see below), whose sum is σ = 124334670936. Its totient is φ = 30449307120.

The previous prime is 65973498791. The next prime is 65973498827. The reversal of 65973498812 is 21889437956.

It is a super-2 number, since 2×65973498812² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 634360514 + ... + 634360617.

It is an arithmetic number, because the mean of its divisors is an integer number (10361222578).

Almost surely, 2^65973498812 is an apocalyptic number.

It is an amenable number.

65973498812 is a deficient number, since it is larger than the sum of its proper divisors (58361172124).

65973498812 is a wasteful number, since it uses less digits than its factorization.

65973498812 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1268721148 (or 1268721146 counting only the distinct ones).

The product of its digits is 26127360, while the sum is 62.

The spelling of 65973498812 in words is "sixty-five billion, nine hundred seventy-three million, four hundred ninety-eight thousand, eight hundred twelve".