664580427139 has 2 divisors, whose sum is σ = 664580427140. Its totient is φ = 664580427138.

The previous prime is 664580427113. The next prime is 664580427229. The reversal of 664580427139 is 931724085466.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 664580427139 - 2³⁵ = 630220688771 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 664580427139.

It is not a weakly prime, because it can be changed into another prime (664580422139) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 332290213569 + 332290213570.

It is an arithmetic number, because the mean of its divisors is an integer number (332290213570).

It is a 2-persistent number, because it is pandigital, and so is 2⋅664580427139 = 1329160854278, but 3⋅664580427139 = 1993741281417 is not.

Almost surely, 2^664580427139 is an apocalyptic number.

664580427139 is a deficient number, since it is larger than the sum of its proper divisors (1).

664580427139 is an equidigital number, since it uses as much as digits as its factorization.

664580427139 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 8709120, while the sum is 55.

The spelling of 664580427139 in words is "six hundred sixty-four billion, five hundred eighty million, four hundred twenty-seven thousand, one hundred thirty-nine".