3068681450281 has 2 divisors, whose sum is σ = 3068681450282. Its totient is φ = 3068681450280.

The previous prime is 3068681450221. The next prime is 3068681450327. The reversal of 3068681450281 is 1820541868603.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1730761261056 + 1337920189225 = 1315584^2 + 1156685^2 .

It is a cyclic number.

It is not a de Polignac number, because 3068681450281 - 2¹⁹ = 3068680925993 is a prime.

It is a super-2 number, since 2×3068681450281² (a number of 26 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (3068681450221) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1534340725140 + 1534340725141.

It is an arithmetic number, because the mean of its divisors is an integer number (1534340725141).

Almost surely, 2^{3068681450281} is an apocalyptic number.

It is an amenable number.

3068681450281 is a deficient number, since it is larger than the sum of its proper divisors (1).

3068681450281 is an equidigital number, since it uses as much as digits as its factorization.

3068681450281 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2211840, while the sum is 52.

The spelling of 3068681450281 in words is "three trillion, sixty-eight billion, six hundred eighty-one million, four hundred fifty thousand, two hundred eighty-one".