52665332329 has 2 divisors, whose sum is σ = 52665332330. Its totient is φ = 52665332328.

The previous prime is 52665332303. The next prime is 52665332339. The reversal of 52665332329 is 92323356625.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 49943310400 + 2722021929 = 223480^2 + 52173^2 .

It is a cyclic number.

It is not a de Polignac number, because 52665332329 - 2¹⁹ = 52664808041 is a prime.

It is not a weakly prime, because it can be changed into another prime (52665332339) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26332666164 + 26332666165.

It is an arithmetic number, because the mean of its divisors is an integer number (26332666165).

Almost surely, 2^52665332329 is an apocalyptic number.

It is an amenable number.

52665332329 is a deficient number, since it is larger than the sum of its proper divisors (1).

52665332329 is an equidigital number, since it uses as much as digits as its factorization.

52665332329 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1749600, while the sum is 46.

The spelling of 52665332329 in words is "fifty-two billion, six hundred sixty-five million, three hundred thirty-two thousand, three hundred twenty-nine".