652272721723 has 32 divisors (see below), whose sum is σ = 772715128320. Its totient is φ = 538930506240.

The previous prime is 652272721721. The next prime is 652272721729. The reversal of 652272721723 is 327127272256.

It is not a de Polignac number, because 652272721723 - 2¹ = 652272721721 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (652272721721) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 107084908 + ... + 107090998.

It is an arithmetic number, because the mean of its divisors is an integer number (24147347760).

Almost surely, 2^652272721723 is an apocalyptic number.

652272721723 is a deficient number, since it is larger than the sum of its proper divisors (120442406597).

652272721723 is a wasteful number, since it uses less digits than its factorization.

652272721723 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9907.

The product of its digits is 987840, while the sum is 46.

Adding to 652272721723 its reverse (327127272256), we get a palindrome (979399993979).

The spelling of 652272721723 in words is "six hundred fifty-two billion, two hundred seventy-two million, seven hundred twenty-one thousand, seven hundred twenty-three".