652235326649 has 2 divisors, whose sum is σ = 652235326650. Its totient is φ = 652235326648.

The previous prime is 652235326513. The next prime is 652235326651. The reversal of 652235326649 is 946623532256.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 388244886649 + 263990440000 = 623093^2 + 513800^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-652235326649 is a prime.

Together with 652235326651, it forms a pair of twin primes.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 652235326649.

It is not a weakly prime, because it can be changed into another prime (652235322649) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 326117663324 + 326117663325.

It is an arithmetic number, because the mean of its divisors is an integer number (326117663325).

Almost surely, 2^652235326649 is an apocalyptic number.

It is an amenable number.

652235326649 is a deficient number, since it is larger than the sum of its proper divisors (1).

652235326649 is an equidigital number, since it uses as much as digits as its factorization.

652235326649 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 13996800, while the sum is 53.

The spelling of 652235326649 in words is "six hundred fifty-two billion, two hundred thirty-five million, three hundred twenty-six thousand, six hundred forty-nine".