52133770729 has 2 divisors, whose sum is σ = 52133770730. Its totient is φ = 52133770728.

The previous prime is 52133770697. The next prime is 52133770751. The reversal of 52133770729 is 92707733125.

It is a happy number.

52133770729 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 48454135129 + 3679635600 = 220123^2 + 60660^2 .

It is a cyclic number.

It is not a de Polignac number, because 52133770729 - 2⁵ = 52133770697 is a prime.

It is not a weakly prime, because it can be changed into another prime (52133770789) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26066885364 + 26066885365.

It is an arithmetic number, because the mean of its divisors is an integer number (26066885365).

Almost surely, 2^52133770729 is an apocalyptic number.

It is an amenable number.

52133770729 is a deficient number, since it is larger than the sum of its proper divisors (1).

52133770729 is an equidigital number, since it uses as much as digits as its factorization.

52133770729 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 555660, while the sum is 46.

The spelling of 52133770729 in words is "fifty-two billion, one hundred thirty-three million, seven hundred seventy thousand, seven hundred twenty-nine".