52684065739 has 2 divisors, whose sum is σ = 52684065740. Its totient is φ = 52684065738.

The previous prime is 52684065703. The next prime is 52684065799. The reversal of 52684065739 is 93756048625.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 52684065739 - 2²⁵ = 52650511307 is a prime.

It is a super-2 number, since 2×52684065739² (a number of 22 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 52684065739.

It is not a weakly prime, because it can be changed into another prime (52684065799) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26342032869 + 26342032870.

It is an arithmetic number, because the mean of its divisors is an integer number (26342032870).

Almost surely, 2^52684065739 is an apocalyptic number.

52684065739 is a deficient number, since it is larger than the sum of its proper divisors (1).

52684065739 is an equidigital number, since it uses as much as digits as its factorization.

52684065739 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 10886400, while the sum is 55.

The spelling of 52684065739 in words is "fifty-two billion, six hundred eighty-four million, sixty-five thousand, seven hundred thirty-nine".