508788968693 has 2 divisors, whose sum is σ = 508788968694. Its totient is φ = 508788968692.

The previous prime is 508788968683. The next prime is 508788968717. The reversal of 508788968693 is 396869887805.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 277242265444 + 231546703249 = 526538^2 + 481193^2 .

It is a cyclic number.

It is not a de Polignac number, because 508788968693 - 2²⁰ = 508787920117 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (508788968683) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 254394484346 + 254394484347.

It is an arithmetic number, because the mean of its divisors is an integer number (254394484347).

Almost surely, 2^508788968693 is an apocalyptic number.

It is an amenable number.

508788968693 is a deficient number, since it is larger than the sum of its proper divisors (1).

508788968693 is an equidigital number, since it uses as much as digits as its factorization.

508788968693 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1254113280, while the sum is 77.

The spelling of 508788968693 in words is "five hundred eight billion, seven hundred eighty-eight million, nine hundred sixty-eight thousand, six hundred ninety-three".