67060799621 has 2 divisors, whose sum is σ = 67060799622. Its totient is φ = 67060799620.

The previous prime is 67060799587. The next prime is 67060799629. The reversal of 67060799621 is 12699706076.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 67060799521 + 100 = 258961^2 + 10^2 .

It is a cyclic number.

It is not a de Polignac number, because 67060799621 - 2³⁰ = 65987057797 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (67060799629) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 33530399810 + 33530399811.

It is an arithmetic number, because the mean of its divisors is an integer number (33530399811).

Almost surely, 2^67060799621 is an apocalyptic number.

It is an amenable number.

67060799621 is a deficient number, since it is larger than the sum of its proper divisors (1).

67060799621 is an equidigital number, since it uses as much as digits as its factorization.

67060799621 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1714608, while the sum is 53.

The spelling of 67060799621 in words is "sixty-seven billion, sixty million, seven hundred ninety-nine thousand, six hundred twenty-one".