52866842653 has 2 divisors, whose sum is σ = 52866842654. Its totient is φ = 52866842652.

The previous prime is 52866842647. The next prime is 52866842683. The reversal of 52866842653 is 35624866825.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 34910306649 + 17956536004 = 186843^2 + 134002^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-52866842653 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 52866842594 and 52866842603.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (52866842603) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26433421326 + 26433421327.

It is an arithmetic number, because the mean of its divisors is an integer number (26433421327).

Almost surely, 2^52866842653 is an apocalyptic number.

It is an amenable number.

52866842653 is a deficient number, since it is larger than the sum of its proper divisors (1).

52866842653 is an equidigital number, since it uses as much as digits as its factorization.

52866842653 is an evil number, because the sum of its binary digits is even.

The product of its digits is 16588800, while the sum is 55.

The spelling of 52866842653 in words is "fifty-two billion, eight hundred sixty-six million, eight hundred forty-two thousand, six hundred fifty-three".