652896220961 has 2 divisors, whose sum is σ = 652896220962. Its totient is φ = 652896220960.

The previous prime is 652896220877. The next prime is 652896221011. The reversal of 652896220961 is 169022698256.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 352503438400 + 300392782561 = 593720^2 + 548081^2 .

It is a cyclic number.

It is not a de Polignac number, because 652896220961 - 2³⁸ = 378018314017 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 652896220897 and 652896220906.

It is not a weakly prime, because it can be changed into another prime (652896220061) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 326448110480 + 326448110481.

It is an arithmetic number, because the mean of its divisors is an integer number (326448110481).

Almost surely, 2^652896220961 is an apocalyptic number.

It is an amenable number.

652896220961 is a deficient number, since it is larger than the sum of its proper divisors (1).

652896220961 is an equidigital number, since it uses as much as digits as its factorization.

652896220961 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 5598720, while the sum is 56.

The spelling of 652896220961 in words is "six hundred fifty-two billion, eight hundred ninety-six million, two hundred twenty thousand, nine hundred sixty-one".