1004406642079 has 2 divisors, whose sum is σ = 1004406642080. Its totient is φ = 1004406642078.

The previous prime is 1004406642047. The next prime is 1004406642133. The reversal of 1004406642079 is 9702466044001.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1004406642079 - 2⁵ = 1004406642047 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1004406642179) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 502203321039 + 502203321040.

It is an arithmetic number, because the mean of its divisors is an integer number (502203321040).

Almost surely, 2^{1004406642079} is an apocalyptic number.

1004406642079 is a deficient number, since it is larger than the sum of its proper divisors (1).

1004406642079 is an equidigital number, since it uses as much as digits as its factorization.

1004406642079 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 290304, while the sum is 43.

The spelling of 1004406642079 in words is "one trillion, four billion, four hundred six million, six hundred forty-two thousand, seventy-nine".