508764374549 has 2 divisors, whose sum is σ = 508764374550. Its totient is φ = 508764374548.

The previous prime is 508764374507. The next prime is 508764374557. The reversal of 508764374549 is 945473467805.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 479719693924 + 29044680625 = 692618^2 + 170425^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-508764374549 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 508764374491 and 508764374500.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (508764374849) 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, 254382187274 + 254382187275.

It is an arithmetic number, because the mean of its divisors is an integer number (254382187275).

Almost surely, 2^508764374549 is an apocalyptic number.

It is an amenable number.

508764374549 is a deficient number, since it is larger than the sum of its proper divisors (1).

508764374549 is an equidigital number, since it uses as much as digits as its factorization.

508764374549 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 101606400, while the sum is 62.

The spelling of 508764374549 in words is "five hundred eight billion, seven hundred sixty-four million, three hundred seventy-four thousand, five hundred forty-nine".