5243386242779 has 2 divisors, whose sum is σ = 5243386242780. Its totient is φ = 5243386242778.

The previous prime is 5243386242767. The next prime is 5243386242883. The reversal of 5243386242779 is 9772426833425.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 5243386242779 - 2⁴ = 5243386242763 is a prime.

It is not a weakly prime, because it can be changed into another prime (5243386242179) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2621693121389 + 2621693121390.

It is an arithmetic number, because the mean of its divisors is an integer number (2621693121390).

Almost surely, 2^{5243386242779} is an apocalyptic number.

5243386242779 is a deficient number, since it is larger than the sum of its proper divisors (1).

5243386242779 is an equidigital number, since it uses as much as digits as its factorization.

5243386242779 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 121927680, while the sum is 62.

The spelling of 5243386242779 in words is "five trillion, two hundred forty-three billion, three hundred eighty-six million, two hundred forty-two thousand, seven hundred seventy-nine".