65485053647 has 8 divisors (see below), whose sum is σ = 70534028880. Its totient is φ = 60437744640.

The previous prime is 65485053631. The next prime is 65485053653. The reversal of 65485053647 is 74635058456.

It is a happy number.

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

It is not a de Polignac number, because 65485053647 - 2⁴ = 65485053631 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (65485053607) 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, 334322 + ... + 492687.

It is an arithmetic number, because the mean of its divisors is an integer number (8816753610).

Almost surely, 2^65485053647 is an apocalyptic number.

65485053647 is a deficient number, since it is larger than the sum of its proper divisors (5048975233).

65485053647 is a wasteful number, since it uses less digits than its factorization.

65485053647 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 833113.

The product of its (nonzero) digits is 12096000, while the sum is 53.

The spelling of 65485053647 in words is "sixty-five billion, four hundred eighty-five million, fifty-three thousand, six hundred forty-seven".