65437873456 has 20 divisors (see below), whose sum is σ = 126789872032. Its totient is φ = 32717906496.

The previous prime is 65437873411. The next prime is 65437873463.

65437873456 is nontrivially palindromic in base 10.

It is a self number, because there is not a number n which added to its sum of digits gives 65437873456.

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 3 ways as a sum of consecutive naturals, for example, 874345 + ... + 946231.

Almost surely, 2^65437873456 is an apocalyptic number.

It is an amenable number.

65437873456 is a deficient number, since it is larger than the sum of its proper divisors (61351998576).

65437873456 is a wasteful number, since it uses less digits than its factorization.

65437873456 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 128788 (or 128782 counting only the distinct ones).

The product of its digits is 50803200, while the sum is 58.

The spelling of 65437873456 in words is "sixty-five billion, four hundred thirty-seven million, eight hundred seventy-three thousand, four hundred fifty-six".