65437285912 has 32 divisors (see below), whose sum is σ = 125265732480. Its totient is φ = 32037903360.

The previous prime is 65437285909. The next prime is 65437285943. The reversal of 65437285912 is 21958273456.

It is a self number, because there is not a number n which added to its sum of digits gives 65437285912.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 191833 + ... + 409480.

It is an arithmetic number, because the mean of its divisors is an integer number (3914554140).

Almost surely, 2^65437285912 is an apocalyptic number.

It is an amenable number.

65437285912 is a deficient number, since it is larger than the sum of its proper divisors (59828446568).

65437285912 is a wasteful number, since it uses less digits than its factorization.

65437285912 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 601603 (or 601599 counting only the distinct ones).

The product of its digits is 3628800, while the sum is 52.

The spelling of 65437285912 in words is "sixty-five billion, four hundred thirty-seven million, two hundred eighty-five thousand, nine hundred twelve".