3613205640067 has 2 divisors, whose sum is σ = 3613205640068. Its totient is φ = 3613205640066.

The previous prime is 3613205640047. The next prime is 3613205640221. The reversal of 3613205640067 is 7600465023163.

3613205640067 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 3613205640067 - 2²⁷ = 3613071422339 is a prime.

It is not a weakly prime, because it can be changed into another prime (3613205640047) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1806602820033 + 1806602820034.

It is an arithmetic number, because the mean of its divisors is an integer number (1806602820034).

Almost surely, 2^{3613205640067} is an apocalyptic number.

3613205640067 is a deficient number, since it is larger than the sum of its proper divisors (1).

3613205640067 is an equidigital number, since it uses as much as digits as its factorization.

3613205640067 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 544320, while the sum is 43.

The spelling of 3613205640067 in words is "three trillion, six hundred thirteen billion, two hundred five million, six hundred forty thousand, sixty-seven".