5201218461937 has 2 divisors, whose sum is σ = 5201218461938. Its totient is φ = 5201218461936.

The previous prime is 5201218461911. The next prime is 5201218461947. The reversal of 5201218461937 is 7391648121025.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 4278295107216 + 922923354721 = 2068404^2 + 960689^2 .

It is a cyclic number.

It is not a de Polignac number, because 5201218461937 - 2³¹ = 5199070978289 is a prime.

It is not a weakly prime, because it can be changed into another prime (5201218461947) 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, 2600609230968 + 2600609230969.

It is an arithmetic number, because the mean of its divisors is an integer number (2600609230969).

It is a 1-persistent number, because it is pandigital, but 2⋅5201218461937 = 10402436923874 is not.

Almost surely, 2^{5201218461937} is an apocalyptic number.

It is an amenable number.

5201218461937 is a deficient number, since it is larger than the sum of its proper divisors (1).

5201218461937 is an equidigital number, since it uses as much as digits as its factorization.

5201218461937 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 725760, while the sum is 49.

The spelling of 5201218461937 in words is "five trillion, two hundred one billion, two hundred eighteen million, four hundred sixty-one thousand, nine hundred thirty-seven".