65536232489 has 16 divisors (see below), whose sum is σ = 81458603520. Its totient is φ = 51339441600.

The previous prime is 65536232479. The next prime is 65536232513. The reversal of 65536232489 is 98423263556.

It is a cyclic number.

It is not a de Polignac number, because 65536232489 - 2¹² = 65536228393 is a prime.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 65536232489.

It is not an unprimeable number, because it can be changed into a prime (65536232479) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3556049 + ... + 3574430.

It is an arithmetic number, because the mean of its divisors is an integer number (5091162720).

Almost surely, 2^65536232489 is an apocalyptic number.

It is an amenable number.

65536232489 is a deficient number, since it is larger than the sum of its proper divisors (15922371031).

65536232489 is a wasteful number, since it uses less digits than its factorization.

65536232489 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7130600.

The product of its digits is 9331200, while the sum is 53.

The spelling of 65536232489 in words is "sixty-five billion, five hundred thirty-six million, two hundred thirty-two thousand, four hundred eighty-nine".