508143209957 has 2 divisors, whose sum is σ = 508143209958. Its totient is φ = 508143209956.

The previous prime is 508143209939. The next prime is 508143210013. The reversal of 508143209957 is 759902341805.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 395994576961 + 112148632996 = 629281^2 + 334886^2 .

It is a cyclic number.

It is not a de Polignac number, because 508143209957 - 2¹² = 508143205861 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 508143209899 and 508143209908.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (508143208957) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 254071604978 + 254071604979.

It is an arithmetic number, because the mean of its divisors is an integer number (254071604979).

Almost surely, 2^508143209957 is an apocalyptic number.

It is an amenable number.

508143209957 is a deficient number, since it is larger than the sum of its proper divisors (1).

508143209957 is an equidigital number, since it uses as much as digits as its factorization.

508143209957 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2721600, while the sum is 53.

The spelling of 508143209957 in words is "five hundred eight billion, one hundred forty-three million, two hundred nine thousand, nine hundred fifty-seven".