5637966767989 has 2 divisors, whose sum is σ = 5637966767990. Its totient is φ = 5637966767988.

The previous prime is 5637966767897. The next prime is 5637966768041. The reversal of 5637966767989 is 9897676697365.

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., 3164691565764 + 2473275202225 = 1778958^2 + 1572665^2 .

It is a cyclic number.

It is not a de Polignac number, because 5637966767989 - 2¹¹ = 5637966765941 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (5637967767989) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2818983383994 + 2818983383995.

It is an arithmetic number, because the mean of its divisors is an integer number (2818983383995).

Almost surely, 2^{5637966767989} is an apocalyptic number.

It is an amenable number.

5637966767989 is a deficient number, since it is larger than the sum of its proper divisors (1).

5637966767989 is an equidigital number, since it uses as much as digits as its factorization.

5637966767989 is an evil number, because the sum of its binary digits is even.

The product of its digits is 38887309440, while the sum is 88.

The spelling of 5637966767989 in words is "five trillion, six hundred thirty-seven billion, nine hundred sixty-six million, seven hundred sixty-seven thousand, nine hundred eighty-nine".