5238787826429 has 2 divisors, whose sum is σ = 5238787826430. Its totient is φ = 5238787826428.

The previous prime is 5238787826381. The next prime is 5238787826443. The reversal of 5238787826429 is 9246287878325.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 4517473939225 + 721313887204 = 2125435^2 + 849302^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-5238787826429 is a prime.

It is a super-3 number, since 3×5238787826429³ (a number of 39 digits) contains 333 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (5238787826029) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2619393913214 + 2619393913215.

It is an arithmetic number, because the mean of its divisors is an integer number (2619393913215).

Almost surely, 2^{5238787826429} is an apocalyptic number.

It is an amenable number.

5238787826429 is a deficient number, since it is larger than the sum of its proper divisors (1).

5238787826429 is an equidigital number, since it uses as much as digits as its factorization.

5238787826429 is an evil number, because the sum of its binary digits is even.

The product of its digits is 650280960, while the sum is 71.

The spelling of 5238787826429 in words is "five trillion, two hundred thirty-eight billion, seven hundred eighty-seven million, eight hundred twenty-six thousand, four hundred twenty-nine".