5637966765941 has 2 divisors, whose sum is σ = 5637966765942. Its totient is φ = 5637966765940.

The previous prime is 5637966765931. The next prime is 5637966765973. The reversal of 5637966765941 is 1495676697365.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 5578708601041 + 59258164900 = 2361929^2 + 243430^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-5637966765941 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (5637966765931) 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, 2818983382970 + 2818983382971.

It is an arithmetic number, because the mean of its divisors is an integer number (2818983382971).

Almost surely, 2^{5637966765941} is an apocalyptic number.

It is an amenable number.

5637966765941 is a deficient number, since it is larger than the sum of its proper divisors (1).

5637966765941 is an equidigital number, since it uses as much as digits as its factorization.

5637966765941 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1543147200, while the sum is 74.

The spelling of 5637966765941 in words is "five trillion, six hundred thirty-seven billion, nine hundred sixty-six million, seven hundred sixty-five thousand, nine hundred forty-one".