5138743297 has 2 divisors, whose sum is σ = 5138743298. Its totient is φ = 5138743296.

The previous prime is 5138743243. The next prime is 5138743319. The reversal of 5138743297 is 7923478315.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 5068870416 + 69872881 = 71196^2 + 8359^2 .

It is a cyclic number.

It is not a de Polignac number, because 5138743297 - 2²³ = 5130354689 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 5138743297.

It is not a weakly prime, because it can be changed into another prime (5138743397) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2569371648 + 2569371649.

It is an arithmetic number, because the mean of its divisors is an integer number (2569371649).

Almost surely, 2^5138743297 is an apocalyptic number.

It is an amenable number.

5138743297 is a deficient number, since it is larger than the sum of its proper divisors (1).

5138743297 is an equidigital number, since it uses as much as digits as its factorization.

5138743297 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1270080, while the sum is 49.

The square root of 5138743297 is about 71685.0284020311. The cubic root of 5138743297 is about 1725.6483787645.

The spelling of 5138743297 in words is "five billion, one hundred thirty-eight million, seven hundred forty-three thousand, two hundred ninety-seven".