5390243297 has 2 divisors, whose sum is σ = 5390243298. Its totient is φ = 5390243296.

The previous prime is 5390243281. The next prime is 5390243317. The reversal of 5390243297 is 7923420935.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 4734678481 + 655564816 = 68809^2 + 25604^2 .

It is a cyclic number.

It is not a de Polignac number, because 5390243297 - 2⁴ = 5390243281 is a prime.

It is not a weakly prime, because it can be changed into another prime (5390243267) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2695121648 + 2695121649.

It is an arithmetic number, because the mean of its divisors is an integer number (2695121649).

Almost surely, 2^5390243297 is an apocalyptic number.

It is an amenable number.

5390243297 is a deficient number, since it is larger than the sum of its proper divisors (1).

5390243297 is an equidigital number, since it uses as much as digits as its factorization.

5390243297 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 408240, while the sum is 44.

The square root of 5390243297 is about 73418.2763145526. The cubic root of 5390243297 is about 1753.3533847127.

The spelling of 5390243297 in words is "five billion, three hundred ninety million, two hundred forty-three thousand, two hundred ninety-seven".