5188320817 has 2 divisors, whose sum is σ = 5188320818. Its totient is φ = 5188320816.

The previous prime is 5188320803. The next prime is 5188320847. The reversal of 5188320817 is 7180238815.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 5084260416 + 104060401 = 71304^2 + 10201^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-5188320817 is a prime.

It is not a weakly prime, because it can be changed into another prime (5188320847) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2594160408 + 2594160409.

It is an arithmetic number, because the mean of its divisors is an integer number (2594160409).

Almost surely, 2^5188320817 is an apocalyptic number.

It is an amenable number.

5188320817 is a deficient number, since it is larger than the sum of its proper divisors (1).

5188320817 is an equidigital number, since it uses as much as digits as its factorization.

5188320817 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 107520, while the sum is 43.

The square root of 5188320817 is about 72029.9994238512. Note that the first 3 decimals coincide. The cubic root of 5188320817 is about 1731.1801916149.

The spelling of 5188320817 in words is "five billion, one hundred eighty-eight million, three hundred twenty thousand, eight hundred seventeen".