614064681641 has 2 divisors, whose sum is σ = 614064681642. Its totient is φ = 614064681640.

The previous prime is 614064681623. The next prime is 614064681647. The reversal of 614064681641 is 146186460416.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 556702515625 + 57362166016 = 746125^2 + 239504^2 .

It is a cyclic number.

It is not a de Polignac number, because 614064681641 - 2³⁸ = 339186774697 is a prime.

It is not a weakly prime, because it can be changed into another prime (614064681647) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 307032340820 + 307032340821.

It is an arithmetic number, because the mean of its divisors is an integer number (307032340821).

Almost surely, 2^614064681641 is an apocalyptic number.

It is an amenable number.

614064681641 is a deficient number, since it is larger than the sum of its proper divisors (1).

614064681641 is an equidigital number, since it uses as much as digits as its factorization.

614064681641 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 663552, while the sum is 47.

The spelling of 614064681641 in words is "six hundred fourteen billion, sixty-four million, six hundred eighty-one thousand, six hundred forty-one".