65858914989 has 24 divisors (see below), whose sum is σ = 108733065792. Its totient is φ = 37628962560.

The previous prime is 65858914981. The next prime is 65858914993. The reversal of 65858914989 is 98941985856.

65858914989 is a `hidden beast` number, since 6 + 58 + 5 + 89 + 1 + 498 + 9 = 666.

It is not a de Polignac number, because 65858914989 - 2³ = 65858914981 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (65858914981) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 478429 + ... + 600509.

It is an arithmetic number, because the mean of its divisors is an integer number (4530544408).

Almost surely, 2^65858914989 is an apocalyptic number.

It is an amenable number.

65858914989 is a deficient number, since it is larger than the sum of its proper divisors (42874150803).

65858914989 is a wasteful number, since it uses less digits than its factorization.

65858914989 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 130657 (or 130654 counting only the distinct ones).

The product of its digits is 223948800, while the sum is 72.

The spelling of 65858914989 in words is "sixty-five billion, eight hundred fifty-eight million, nine hundred fourteen thousand, nine hundred eighty-nine".