65233675489 has 8 divisors (see below), whose sum is σ = 66132076392. Its totient is φ = 64335404160.

The previous prime is 65233675471. The next prime is 65233675499. The reversal of 65233675489 is 98457633256.

65233675489 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 429025 + 65233246464 = 655^2 + 255408^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 65233675489 - 2⁷ = 65233675361 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (65233675499) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1435659 + ... + 1480399.

It is an arithmetic number, because the mean of its divisors is an integer number (8266509549).

Almost surely, 2^65233675489 is an apocalyptic number.

It is an amenable number.

65233675489 is a deficient number, since it is larger than the sum of its proper divisors (898400903).

65233675489 is a wasteful number, since it uses less digits than its factorization.

65233675489 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 64787.

The product of its digits is 32659200, while the sum is 58.

The spelling of 65233675489 in words is "sixty-five billion, two hundred thirty-three million, six hundred seventy-five thousand, four hundred eighty-nine".