52386617729 has 2 divisors, whose sum is σ = 52386617730. Its totient is φ = 52386617728.

The previous prime is 52386617719. The next prime is 52386617741. The reversal of 52386617729 is 92771668325.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 36577327504 + 15809290225 = 191252^2 + 125735^2 .

It is a cyclic number.

It is not a de Polignac number, because 52386617729 - 2²⁴ = 52369840513 is a prime.

It is not a weakly prime, because it can be changed into another prime (52386617719) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26193308864 + 26193308865.

It is an arithmetic number, because the mean of its divisors is an integer number (26193308865).

Almost surely, 2^52386617729 is an apocalyptic number.

It is an amenable number.

52386617729 is a deficient number, since it is larger than the sum of its proper divisors (1).

52386617729 is an equidigital number, since it uses as much as digits as its factorization.

52386617729 is an evil number, because the sum of its binary digits is even.

The product of its digits is 7620480, while the sum is 56.

The spelling of 52386617729 in words is "fifty-two billion, three hundred eighty-six million, six hundred seventeen thousand, seven hundred twenty-nine".