652069812647 has 24 divisors (see below), whose sum is σ = 727653044352. Its totient is φ = 579502047600.

The previous prime is 652069812643. The next prime is 652069812661. The reversal of 652069812647 is 746218960256.

It is not a de Polignac number, because 652069812647 - 2² = 652069812643 is a prime.

It is a super-2 number, since 2×652069812647² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 652069812592 and 652069812601.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (652069812643) 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 23 ways as a sum of consecutive naturals, for example, 21440822 + ... + 21471212.

It is an arithmetic number, because the mean of its divisors is an integer number (30318876848).

Almost surely, 2^652069812647 is an apocalyptic number.

652069812647 is a deficient number, since it is larger than the sum of its proper divisors (75583231705).

652069812647 is a wasteful number, since it uses less digits than its factorization.

652069812647 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31379 (or 31332 counting only the distinct ones).

The product of its (nonzero) digits is 8709120, while the sum is 56.

The spelling of 652069812647 in words is "six hundred fifty-two billion, sixty-nine million, eight hundred twelve thousand, six hundred forty-seven".