304082642681 has 2 divisors, whose sum is σ = 304082642682. Its totient is φ = 304082642680.

The previous prime is 304082642639. The next prime is 304082642737. The reversal of 304082642681 is 186246280403.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 220031355625 + 84051287056 = 469075^2 + 289916^2 .

It is a cyclic number.

It is not a de Polignac number, because 304082642681 - 2¹⁴ = 304082626297 is a prime.

It is a super-2 number, since 2×304082642681² (a number of 24 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (304082645681) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 152041321340 + 152041321341.

It is an arithmetic number, because the mean of its divisors is an integer number (152041321341).

Almost surely, 2^304082642681 is an apocalyptic number.

It is an amenable number.

304082642681 is a deficient number, since it is larger than the sum of its proper divisors (1).

304082642681 is an equidigital number, since it uses as much as digits as its factorization.

304082642681 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 442368, while the sum is 44.

The spelling of 304082642681 in words is "three hundred four billion, eighty-two million, six hundred forty-two thousand, six hundred eighty-one".