65327185289 has 4 divisors (see below), whose sum is σ = 66000661524. Its totient is φ = 64653709056.

The previous prime is 65327185283. The next prime is 65327185291. The reversal of 65327185289 is 98258172356.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 49068895225 + 16258290064 = 221515^2 + 127508^2 .

It is a cyclic number.

It is not a de Polignac number, because 65327185289 - 2³² = 61032217993 is a prime.

It is a super-2 number, since 2×65327185289² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (65327185283) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 336737972 + ... + 336738165.

It is an arithmetic number, because the mean of its divisors is an integer number (16500165381).

Almost surely, 2^65327185289 is an apocalyptic number.

It is an amenable number.

65327185289 is a deficient number, since it is larger than the sum of its proper divisors (673476235).

65327185289 is an equidigital number, since it uses as much as digits as its factorization.

65327185289 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 673476234.

The product of its digits is 7257600, while the sum is 56.

The spelling of 65327185289 in words is "sixty-five billion, three hundred twenty-seven million, one hundred eighty-five thousand, two hundred eighty-nine".