664580422139 has 2 divisors, whose sum is σ = 664580422140. Its totient is φ = 664580422138.

The previous prime is 664580422087. The next prime is 664580422171. The reversal of 664580422139 is 931224085466.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 664580422139 - 2³⁶ = 595860945403 is a prime.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (664580422339) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 332290211069 + 332290211070.

It is an arithmetic number, because the mean of its divisors is an integer number (332290211070).

Almost surely, 2^664580422139 is an apocalyptic number.

664580422139 is a deficient number, since it is larger than the sum of its proper divisors (1).

664580422139 is an equidigital number, since it uses as much as digits as its factorization.

664580422139 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2488320, while the sum is 50.

The spelling of 664580422139 in words is "six hundred sixty-four billion, five hundred eighty million, four hundred twenty-two thousand, one hundred thirty-nine".