65628530673 has 8 divisors (see below), whose sum is σ = 87505914048. Its totient is φ = 43751750544.

The previous prime is 65628530647. The next prime is 65628530731. The reversal of 65628530673 is 37603582656.

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 65628530673 - 2⁶ = 65628530609 is a prime.

It is not an unprimeable number, because it can be changed into a prime (65628530633) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 273940 + ... + 454202.

It is an arithmetic number, because the mean of its divisors is an integer number (10938239256).

Almost surely, 2^65628530673 is an apocalyptic number.

It is an amenable number.

65628530673 is a deficient number, since it is larger than the sum of its proper divisors (21877383375).

65628530673 is a wasteful number, since it uses less digits than its factorization.

65628530673 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 301623.

The product of its (nonzero) digits is 5443200, while the sum is 51.

The spelling of 65628530673 in words is "sixty-five billion, six hundred twenty-eight million, five hundred thirty thousand, six hundred seventy-three".