2004440443969 has 2 divisors, whose sum is σ = 2004440443970. Its totient is φ = 2004440443968.

The previous prime is 2004440443933. The next prime is 2004440444003. The reversal of 2004440443969 is 9693440444002.

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., 1931154915600 + 73285528369 = 1389660^2 + 270713^2 .

It is a cyclic number.

It is not a de Polignac number, because 2004440443969 - 2¹¹ = 2004440441921 is a prime.

It is a super-2 number, since 2×2004440443969² (a number of 25 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (2004440443909) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1002220221984 + 1002220221985.

It is an arithmetic number, because the mean of its divisors is an integer number (1002220221985).

Almost surely, 2^{2004440443969} is an apocalyptic number.

It is an amenable number.

2004440443969 is a deficient number, since it is larger than the sum of its proper divisors (1).

2004440443969 is an equidigital number, since it uses as much as digits as its factorization.

2004440443969 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2985984, while the sum is 49.

The spelling of 2004440443969 in words is "two trillion, four billion, four hundred forty million, four hundred forty-three thousand, nine hundred sixty-nine".