5116783381 has 2 divisors, whose sum is σ = 5116783382. Its totient is φ = 5116783380.

The previous prime is 5116783351. The next prime is 5116783393. The reversal of 5116783381 is 1833876115.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 5107389156 + 9394225 = 71466^2 + 3065^2 .

It is a cyclic number.

It is not a de Polignac number, because 5116783381 - 2¹⁷ = 5116652309 is a prime.

It is a super-2 number, since 2×5116783381² = 52362944336155582322, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (5116783351) 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, 2558391690 + 2558391691.

It is an arithmetic number, because the mean of its divisors is an integer number (2558391691).

Almost surely, 2^5116783381 is an apocalyptic number.

It is an amenable number.

5116783381 is a deficient number, since it is larger than the sum of its proper divisors (1).

5116783381 is an equidigital number, since it uses as much as digits as its factorization.

5116783381 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 120960, while the sum is 43.

The square root of 5116783381 is about 71531.6949400753. The cubic root of 5116783381 is about 1723.1867391447.

The spelling of 5116783381 in words is "five billion, one hundred sixteen million, seven hundred eighty-three thousand, three hundred eighty-one".