65894711836 has 6 divisors (see below), whose sum is σ = 115315745720. Its totient is φ = 32947355916.

The previous prime is 65894711819. The next prime is 65894711887. The reversal of 65894711836 is 63811749856.

It is a super-2 number, since 2×65894711836² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8236838976 + ... + 8236838983.

Almost surely, 2^65894711836 is an apocalyptic number.

It is an amenable number.

65894711836 is a deficient number, since it is larger than the sum of its proper divisors (49421033884).

65894711836 is a wasteful number, since it uses less digits than its factorization.

65894711836 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16473677963 (or 16473677961 counting only the distinct ones).

The product of its digits is 8709120, while the sum is 58.

The spelling of 65894711836 in words is "sixty-five billion, eight hundred ninety-four million, seven hundred eleven thousand, eight hundred thirty-six".