5200681782749 has 2 divisors, whose sum is σ = 5200681782750. Its totient is φ = 5200681782748.

The previous prime is 5200681782731. The next prime is 5200681782761. The reversal of 5200681782749 is 9472871860025.

5200681782749 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 4785375002500 + 415306780249 = 2187550^2 + 644443^2 .

It is a cyclic number.

It is not a de Polignac number, because 5200681782749 - 2²⁰ = 5200680734173 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (5200684782749) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2600340891374 + 2600340891375.

It is an arithmetic number, because the mean of its divisors is an integer number (2600340891375).

Almost surely, 2^{5200681782749} is an apocalyptic number.

It is an amenable number.

5200681782749 is a deficient number, since it is larger than the sum of its proper divisors (1).

5200681782749 is an equidigital number, since it uses as much as digits as its factorization.

5200681782749 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 13547520, while the sum is 59.

The spelling of 5200681782749 in words is "five trillion, two hundred billion, six hundred eighty-one million, seven hundred eighty-two thousand, seven hundred forty-nine".