65304134741321 has 4 divisors (see below), whose sum is σ = 74633296847232. Its totient is φ = 55974972635412.

The previous prime is 65304134741317. The next prime is 65304134741353. The reversal of 65304134741321 is 12314743140356.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 65304134741321 - 2² = 65304134741317 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (65304134741311) 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, 4664581052945 + ... + 4664581052958.

It is an arithmetic number, because the mean of its divisors is an integer number (18658324211808).

Almost surely, 2^{65304134741321} is an apocalyptic number.

It is an amenable number.

65304134741321 is a deficient number, since it is larger than the sum of its proper divisors (9329162105911).

65304134741321 is an equidigital number, since it uses as much as digits as its factorization.

65304134741321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9329162105910.

The product of its (nonzero) digits is 725760, while the sum is 44.

Adding to 65304134741321 its reverse (12314743140356), we get a palindrome (77618877881677).

The spelling of 65304134741321 in words is "sixty-five trillion, three hundred four billion, one hundred thirty-four million, seven hundred forty-one thousand, three hundred twenty-one".