52688666633 has 2 divisors, whose sum is σ = 52688666634. Its totient is φ = 52688666632.

The previous prime is 52688666621. The next prime is 52688666683. The reversal of 52688666633 is 33666688625.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 52528972864 + 159693769 = 229192^2 + 12637^2 .

It is a cyclic number.

It is not a de Polignac number, because 52688666633 - 2¹⁰ = 52688665609 is a prime.

It is not a weakly prime, because it can be changed into another prime (52688666683) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26344333316 + 26344333317.

It is an arithmetic number, because the mean of its divisors is an integer number (26344333317).

Almost surely, 2^52688666633 is an apocalyptic number.

It is an amenable number.

52688666633 is a deficient number, since it is larger than the sum of its proper divisors (1).

52688666633 is an equidigital number, since it uses as much as digits as its factorization.

52688666633 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 44789760, while the sum is 59.

The spelling of 52688666633 in words is "fifty-two billion, six hundred eighty-eight million, six hundred sixty-six thousand, six hundred thirty-three".