5191936819 has 2 divisors, whose sum is σ = 5191936820. Its totient is φ = 5191936818.

The previous prime is 5191936793. The next prime is 5191936843. The reversal of 5191936819 is 9186391915.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 5191936819 - 2¹¹ = 5191934771 is a prime.

It is a super-2 number, since 2×5191936819² = 53912415864975677522, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (5191936019) 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, 2595968409 + 2595968410.

It is an arithmetic number, because the mean of its divisors is an integer number (2595968410).

Almost surely, 2^5191936819 is an apocalyptic number.

5191936819 is a deficient number, since it is larger than the sum of its proper divisors (1).

5191936819 is an equidigital number, since it uses as much as digits as its factorization.

5191936819 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 524880, while the sum is 52.

The square root of 5191936819 is about 72055.0957184848. The cubic root of 5191936819 is about 1731.5822804299.

The spelling of 5191936819 in words is "five billion, one hundred ninety-one million, nine hundred thirty-six thousand, eight hundred nineteen".