6755549993 has 2 divisors, whose sum is σ = 6755549994. Its totient is φ = 6755549992.

The previous prime is 6755549963. The next prime is 6755550071. The reversal of 6755549993 is 3999455576.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 4272321769 + 2483228224 = 65363^2 + 49832^2 .

It is a cyclic number.

It is not a de Polignac number, because 6755549993 - 2⁶ = 6755549929 is a prime.

It is not a weakly prime, because it can be changed into another prime (6755549963) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3377774996 + 3377774997.

It is an arithmetic number, because the mean of its divisors is an integer number (3377774997).

Almost surely, 2^6755549993 is an apocalyptic number.

It is an amenable number.

6755549993 is a deficient number, since it is larger than the sum of its proper divisors (1).

6755549993 is an equidigital number, since it uses as much as digits as its factorization.

6755549993 is an evil number, because the sum of its binary digits is even.

The product of its digits is 45927000, while the sum is 62.

The square root of 6755549993 is about 82192.1528675335. The cubic root of 6755549993 is about 1890.3993998354.

The spelling of 6755549993 in words is "six billion, seven hundred fifty-five million, five hundred forty-nine thousand, nine hundred ninety-three".