52073683661 has 2 divisors, whose sum is σ = 52073683662. Its totient is φ = 52073683660.

The previous prime is 52073683631. The next prime is 52073683679. The reversal of 52073683661 is 16638637025.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 32771860900 + 19301822761 = 181030^2 + 138931^2 .

It is a cyclic number.

It is not a de Polignac number, because 52073683661 - 2¹⁰ = 52073682637 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (52073683601) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26036841830 + 26036841831.

It is an arithmetic number, because the mean of its divisors is an integer number (26036841831).

Almost surely, 2^52073683661 is an apocalyptic number.

It is an amenable number.

52073683661 is a deficient number, since it is larger than the sum of its proper divisors (1).

52073683661 is an equidigital number, since it uses as much as digits as its factorization.

52073683661 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1088640, while the sum is 47.

The spelling of 52073683661 in words is "fifty-two billion, seventy-three million, six hundred eighty-three thousand, six hundred sixty-one".