65854314812 has 48 divisors (see below), whose sum is σ = 135423117312. Its totient is φ = 27624991680.

The previous prime is 65854314809. The next prime is 65854314821. The reversal of 65854314812 is 21841345856.

It is a congruent number.

It is an unprimeable number.

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 in 15 ways as a sum of consecutive naturals, for example, 3274973 + ... + 3295019.

It is an arithmetic number, because the mean of its divisors is an integer number (2821314944).

Almost surely, 2^65854314812 is an apocalyptic number.

It is an amenable number.

65854314812 is an abundant number, since it is smaller than the sum of its proper divisors (69568802500).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

65854314812 is a wasteful number, since it uses less digits than its factorization.

65854314812 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25818 (or 25816 counting only the distinct ones).

The product of its digits is 921600, while the sum is 47.

The spelling of 65854314812 in words is "sixty-five billion, eight hundred fifty-four million, three hundred fourteen thousand, eight hundred twelve".