5215361839 has 2 divisors, whose sum is σ = 5215361840. Its totient is φ = 5215361838.

The previous prime is 5215361797. The next prime is 5215361857. The reversal of 5215361839 is 9381635125.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 5215361839 - 2²¹ = 5213264687 is a prime.

It is a super-2 number, since 2×5215361839² = 54399998223394923842, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 5215361795 and 5215361804.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (5215361639) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2607680919 + 2607680920.

It is an arithmetic number, because the mean of its divisors is an integer number (2607680920).

Almost surely, 2^5215361839 is an apocalyptic number.

5215361839 is a deficient number, since it is larger than the sum of its proper divisors (1).

5215361839 is an equidigital number, since it uses as much as digits as its factorization.

5215361839 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 194400, while the sum is 43.

The square root of 5215361839 is about 72217.4621473228. The cubic root of 5215361839 is about 1734.1825623824.

The spelling of 5215361839 in words is "five billion, two hundred fifteen million, three hundred sixty-one thousand, eight hundred thirty-nine".