4004401889 has 2 divisors, whose sum is σ = 4004401890. Its totient is φ = 4004401888.

The previous prime is 4004401879. The next prime is 4004401937. The reversal of 4004401889 is 9881044004.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 3995251264 + 9150625 = 63208^2 + 3025^2 .

It is a cyclic number.

It is not a de Polignac number, because 4004401889 - 2¹⁶ = 4004336353 is a prime.

It is not a weakly prime, because it can be changed into another prime (4004401879) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2002200944 + 2002200945.

It is an arithmetic number, because the mean of its divisors is an integer number (2002200945).

Almost surely, 2^4004401889 is an apocalyptic number.

It is an amenable number.

4004401889 is a deficient number, since it is larger than the sum of its proper divisors (1).

4004401889 is an equidigital number, since it uses as much as digits as its factorization.

4004401889 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 36864, while the sum is 38.

The square root of 4004401889 is about 63280.3436226448. The cubic root of 4004401889 is about 1587.9831354339.

The spelling of 4004401889 in words is "four billion, four million, four hundred one thousand, eight hundred eighty-nine".