6711953488897 has 2 divisors, whose sum is σ = 6711953488898. Its totient is φ = 6711953488896.

The previous prime is 6711953488883. The next prime is 6711953488901. The reversal of 6711953488897 is 7988843591176.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 3772234066176 + 2939719422721 = 1942224^2 + 1714561^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-6711953488897 is a prime.

It is a super-2 number, since 2×6711953488897² (a number of 26 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (6711953488297) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3355976744448 + 3355976744449.

It is an arithmetic number, because the mean of its divisors is an integer number (3355976744449).

Almost surely, 2^{6711953488897} is an apocalyptic number.

It is an amenable number.

6711953488897 is a deficient number, since it is larger than the sum of its proper divisors (1).

6711953488897 is an equidigital number, since it uses as much as digits as its factorization.

6711953488897 is an evil number, because the sum of its binary digits is even.

The product of its digits is 731566080, while the sum is 76.

The spelling of 6711953488897 in words is "six trillion, seven hundred eleven billion, nine hundred fifty-three million, four hundred eighty-eight thousand, eight hundred ninety-seven".