6916817617 has 2 divisors, whose sum is σ = 6916817618. Its totient is φ = 6916817616.

The previous prime is 6916817549. The next prime is 6916817639. The reversal of 6916817617 is 7167186196.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 6509423761 + 407393856 = 80681^2 + 20184^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-6916817617 is a prime.

It is not a weakly prime, because it can be changed into another prime (6916817647) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3458408808 + 3458408809.

It is an arithmetic number, because the mean of its divisors is an integer number (3458408809).

Almost surely, 2^6916817617 is an apocalyptic number.

It is an amenable number.

6916817617 is a deficient number, since it is larger than the sum of its proper divisors (1).

6916817617 is an equidigital number, since it uses as much as digits as its factorization.

6916817617 is an evil number, because the sum of its binary digits is even.

The product of its digits is 762048, while the sum is 52.

The square root of 6916817617 is about 83167.4071797360. The cubic root of 6916817617 is about 1905.3237226762.

The spelling of 6916817617 in words is "six billion, nine hundred sixteen million, eight hundred seventeen thousand, six hundred seventeen".