65084256397441 has 4 divisors (see below), whose sum is σ = 65120394242884. Its totient is φ = 65048118552000.

The previous prime is 65084256397439. The next prime is 65084256397451. The reversal of 65084256397441 is 14479365248056.

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 23798542640625 + 41285713756816 = 4878375^2 + 6425396^2 .

It is a cyclic number.

It is not a de Polignac number, because 65084256397441 - 2¹ = 65084256397439 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (65084256397451) 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, 18068920020 + ... + 18068923621.

It is an arithmetic number, because the mean of its divisors is an integer number (16280098560721).

It is a 2-persistent number, because it is pandigital, and so is 2⋅65084256397441 = 130168512794882, but 3⋅65084256397441 = 195252769192323 is not.

Almost surely, 2^{65084256397441} is an apocalyptic number.

It is an amenable number.

65084256397441 is a deficient number, since it is larger than the sum of its proper divisors (36137845443).

65084256397441 is a wasteful number, since it uses less digits than its factorization.

65084256397441 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36137845442.

The product of its (nonzero) digits is 174182400, while the sum is 64.

The spelling of 65084256397441 in words is "sixty-five trillion, eighty-four billion, two hundred fifty-six million, three hundred ninety-seven thousand, four hundred forty-one".