5216238749 has 2 divisors, whose sum is σ = 5216238750. Its totient is φ = 5216238748.

The previous prime is 5216238719. The next prime is 5216238751. The reversal of 5216238749 is 9478326125.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 5123982724 + 92256025 = 71582^2 + 9605^2 .

It is a cyclic number.

It is not a de Polignac number, because 5216238749 - 2¹⁶ = 5216173213 is a prime.

Together with 5216238751, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (5216238719) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2608119374 + 2608119375.

It is an arithmetic number, because the mean of its divisors is an integer number (2608119375).

Almost surely, 2^5216238749 is an apocalyptic number.

It is an amenable number.

5216238749 is a deficient number, since it is larger than the sum of its proper divisors (1).

5216238749 is an equidigital number, since it uses as much as digits as its factorization.

5216238749 is an evil number, because the sum of its binary digits is even.

The product of its digits is 725760, while the sum is 47.

The square root of 5216238749 is about 72223.5332076741. The cubic root of 5216238749 is about 1734.2797519834.

The spelling of 5216238749 in words is "five billion, two hundred sixteen million, two hundred thirty-eight thousand, seven hundred forty-nine".