6750113681 has 2 divisors, whose sum is σ = 6750113682. Its totient is φ = 6750113680.

The previous prime is 6750113677. The next prime is 6750113719. The reversal of 6750113681 is 1863110576.

It is an a-pointer prime, because the next prime (6750113719) can be obtained adding 6750113681 to its sum of digits (38).

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 6238630225 + 511483456 = 78985^2 + 22616^2 .

It is a cyclic number.

It is not a de Polignac number, because 6750113681 - 2² = 6750113677 is a prime.

It is a super-2 number, since 2×6750113681² = 91128069412846739522, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (6750119681) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3375056840 + 3375056841.

It is an arithmetic number, because the mean of its divisors is an integer number (3375056841).

Almost surely, 2^6750113681 is an apocalyptic number.

It is an amenable number.

6750113681 is a deficient number, since it is larger than the sum of its proper divisors (1).

6750113681 is an equidigital number, since it uses as much as digits as its factorization.

6750113681 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 30240, while the sum is 38.

The square root of 6750113681 is about 82159.0754633960. The cubic root of 6750113681 is about 1889.8921843446.

The spelling of 6750113681 in words is "six billion, seven hundred fifty million, one hundred thirteen thousand, six hundred eighty-one".