65228385673 has 4 divisors (see below), whose sum is σ = 71158238928. Its totient is φ = 59298532420.

The previous prime is 65228385623. The next prime is 65228385697. The reversal of 65228385673 is 37658382256.

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 65228385673 - 2²⁹ = 64691514761 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (65228385623) 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, 2964926611 + ... + 2964926632.

It is an arithmetic number, because the mean of its divisors is an integer number (17789559732).

Almost surely, 2^65228385673 is an apocalyptic number.

It is an amenable number.

65228385673 is a deficient number, since it is larger than the sum of its proper divisors (5929853255).

65228385673 is a wasteful number, since it uses less digits than its factorization.

65228385673 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5929853254.

The product of its digits is 14515200, while the sum is 55.

The spelling of 65228385673 in words is "sixty-five billion, two hundred twenty-eight million, three hundred eighty-five thousand, six hundred seventy-three".