7346528681 has 2 divisors, whose sum is σ = 7346528682. Its totient is φ = 7346528680.

The previous prime is 7346528653. The next prime is 7346528737. The reversal of 7346528681 is 1868256437.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 7299139225 + 47389456 = 85435^2 + 6884^2 .

It is a cyclic number.

It is not a de Polignac number, because 7346528681 - 2²⁶ = 7279419817 is a prime.

It is a super-2 number, since 2×7346528681² (a number of 21 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (7346528611) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3673264340 + 3673264341.

It is an arithmetic number, because the mean of its divisors is an integer number (3673264341).

Almost surely, 2^7346528681 is an apocalyptic number.

It is an amenable number.

7346528681 is a deficient number, since it is larger than the sum of its proper divisors (1).

7346528681 is an equidigital number, since it uses as much as digits as its factorization.

7346528681 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1935360, while the sum is 50.

The square root of 7346528681 is about 85711.8934629261. The cubic root of 7346528681 is about 1943.9901473453.

The spelling of 7346528681 in words is "seven billion, three hundred forty-six million, five hundred twenty-eight thousand, six hundred eighty-one".