5637966767897 has 2 divisors, whose sum is σ = 5637966767898. Its totient is φ = 5637966767896.

The previous prime is 5637966767891. The next prime is 5637966767989. The reversal of 5637966767897 is 7987676697365.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 5527595975056 + 110370792841 = 2351084^2 + 332221^2 .

It is a cyclic number.

It is not a de Polignac number, because 5637966767897 - 2⁶ = 5637966767833 is a prime.

It is not a weakly prime, because it can be changed into another prime (5637966767891) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2818983383948 + 2818983383949.

It is an arithmetic number, because the mean of its divisors is an integer number (2818983383949).

Almost surely, 2^{5637966767897} is an apocalyptic number.

It is an amenable number.

5637966767897 is a deficient number, since it is larger than the sum of its proper divisors (1).

5637966767897 is an equidigital number, since it uses as much as digits as its factorization.

5637966767897 is an evil number, because the sum of its binary digits is even.

The product of its digits is 30245685120, while the sum is 86.

The spelling of 5637966767897 in words is "five trillion, six hundred thirty-seven billion, nine hundred sixty-six million, seven hundred sixty-seven thousand, eight hundred ninety-seven".