1004440644017 has 2 divisors, whose sum is σ = 1004440644018. Its totient is φ = 1004440644016.

The previous prime is 1004440643953. The next prime is 1004440644079. The reversal of 1004440644017 is 7104460444001.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 567454863616 + 436985780401 = 753296^2 + 661049^2 .

It is an emirp because it is prime and its reverse (7104460444001) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1004440644017 - 2⁶ = 1004440643953 is a prime.

It is not a weakly prime, because it can be changed into another prime (1004440644517) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 502220322008 + 502220322009.

It is an arithmetic number, because the mean of its divisors is an integer number (502220322009).

Almost surely, 2^{1004440644017} is an apocalyptic number.

It is an amenable number.

1004440644017 is a deficient number, since it is larger than the sum of its proper divisors (1).

1004440644017 is an equidigital number, since it uses as much as digits as its factorization.

1004440644017 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 43008, while the sum is 35.

The spelling of 1004440644017 in words is "one trillion, four billion, four hundred forty million, six hundred forty-four thousand, seventeen".