5217038838679 has 2 divisors, whose sum is σ = 5217038838680. Its totient is φ = 5217038838678.

The previous prime is 5217038838677. The next prime is 5217038838689. The reversal of 5217038838679 is 9768388307125.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 5217038838679 - 2¹ = 5217038838677 is a prime.

Together with 5217038838677, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (5217038838677) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2608519419339 + 2608519419340.

It is an arithmetic number, because the mean of its divisors is an integer number (2608519419340).

Almost surely, 2^{5217038838679} is an apocalyptic number.

5217038838679 is a deficient number, since it is larger than the sum of its proper divisors (1).

5217038838679 is an equidigital number, since it uses as much as digits as its factorization.

5217038838679 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 121927680, while the sum is 67.

The spelling of 5217038838679 in words is "five trillion, two hundred seventeen billion, thirty-eight million, eight hundred thirty-eight thousand, six hundred seventy-nine".