65474664812 has 6 divisors (see below), whose sum is σ = 114580663428. Its totient is φ = 32737332404.

The previous prime is 65474664803. The next prime is 65474664817. The reversal of 65474664812 is 21846647456.

It is not an unprimeable number, because it can be changed into a prime (65474664817) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8184333098 + ... + 8184333105.

It is an arithmetic number, because the mean of its divisors is an integer number (19096777238).

Almost surely, 2^65474664812 is an apocalyptic number.

It is an amenable number.

65474664812 is a deficient number, since it is larger than the sum of its proper divisors (49105998616).

65474664812 is a wasteful number, since it uses less digits than its factorization.

65474664812 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16368666207 (or 16368666205 counting only the distinct ones).

The product of its digits is 7741440, while the sum is 53.

The spelling of 65474664812 in words is "sixty-five billion, four hundred seventy-four million, six hundred sixty-four thousand, eight hundred twelve".