67104604993 has 2 divisors, whose sum is σ = 67104604994. Its totient is φ = 67104604992.

The previous prime is 67104604961. The next prime is 67104605041. The reversal of 67104604993 is 39940640176.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 43019737744 + 24084867249 = 207412^2 + 155193^2 .

It is a cyclic number.

It is not a de Polignac number, because 67104604993 - 2⁵ = 67104604961 is a prime.

It is a super-2 number, since 2×67104604993² (a number of 22 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (67104604793) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 33552302496 + 33552302497.

It is an arithmetic number, because the mean of its divisors is an integer number (33552302497).

Almost surely, 2^67104604993 is an apocalyptic number.

It is an amenable number.

67104604993 is a deficient number, since it is larger than the sum of its proper divisors (1).

67104604993 is an equidigital number, since it uses as much as digits as its factorization.

67104604993 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 979776, while the sum is 49.

The spelling of 67104604993 in words is "sixty-seven billion, one hundred four million, six hundred four thousand, nine hundred ninety-three".