252535966693 has 2 divisors, whose sum is σ = 252535966694. Its totient is φ = 252535966692.

The previous prime is 252535966687. The next prime is 252535966751. The reversal of 252535966693 is 396669535252.

252535966693 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 201621654529 + 50914312164 = 449023^2 + 225642^2 .

It is a cyclic number.

It is not a de Polignac number, because 252535966693 - 2¹³ = 252535958501 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (252535966633) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 126267983346 + 126267983347.

It is an arithmetic number, because the mean of its divisors is an integer number (126267983347).

Almost surely, 2^252535966693 is an apocalyptic number.

It is an amenable number.

252535966693 is a deficient number, since it is larger than the sum of its proper divisors (1).

252535966693 is an equidigital number, since it uses as much as digits as its factorization.

252535966693 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 78732000, while the sum is 61.

The spelling of 252535966693 in words is "two hundred fifty-two billion, five hundred thirty-five million, nine hundred sixty-six thousand, six hundred ninety-three".