6326765545081 has 2 divisors, whose sum is σ = 6326765545082. Its totient is φ = 6326765545080.

The previous prime is 6326765545039. The next prime is 6326765545183. The reversal of 6326765545081 is 1805455676236.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 5613274485225 + 713491059856 = 2369235^2 + 844684^2 .

It is a cyclic number.

It is not a de Polignac number, because 6326765545081 - 2⁴¹ = 4127742289529 is a prime.

It is a super-2 number, since 2×6326765545081² (a number of 26 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (6326765525081) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3163382772540 + 3163382772541.

It is an arithmetic number, because the mean of its divisors is an integer number (3163382772541).

Almost surely, 2^{6326765545081} is an apocalyptic number.

It is an amenable number.

6326765545081 is a deficient number, since it is larger than the sum of its proper divisors (1).

6326765545081 is an equidigital number, since it uses as much as digits as its factorization.

6326765545081 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 36288000, while the sum is 58.

The spelling of 6326765545081 in words is "six trillion, three hundred twenty-six billion, seven hundred sixty-five million, five hundred forty-five thousand, eighty-one".