67613000641 has 2 divisors, whose sum is σ = 67613000642. Its totient is φ = 67613000640.

The previous prime is 67613000603. The next prime is 67613000669. The reversal of 67613000641 is 14600031676.

67613000641 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 67613000625 + 16 = 260025^2 + 4^2 .

It is a cyclic number.

It is not a de Polignac number, because 67613000641 - 2²¹ = 67610903489 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 67613000597 and 67613000606.

It is not a weakly prime, because it can be changed into another prime (67613000941) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 33806500320 + 33806500321.

It is an arithmetic number, because the mean of its divisors is an integer number (33806500321).

Almost surely, 2^67613000641 is an apocalyptic number.

It is an amenable number.

67613000641 is a deficient number, since it is larger than the sum of its proper divisors (1).

67613000641 is an equidigital number, since it uses as much as digits as its factorization.

67613000641 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 18144, while the sum is 34.

The spelling of 67613000641 in words is "sixty-seven billion, six hundred thirteen million, six hundred forty-one", and thus it is an aban number.