2004409801 has 2 divisors, whose sum is σ = 2004409802. Its totient is φ = 2004409800.

The previous prime is 2004409751. The next prime is 2004409817. The reversal of 2004409801 is 1089044002.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1693240201 + 311169600 = 41149^2 + 17640^2 .

It is a cyclic number.

It is not a de Polignac number, because 2004409801 - 2⁹ = 2004409289 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 2004409801.

It is not a weakly prime, because it can be changed into another prime (2004409831) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1002204900 + 1002204901.

It is an arithmetic number, because the mean of its divisors is an integer number (1002204901).

Almost surely, 2^2004409801 is an apocalyptic number.

It is an amenable number.

2004409801 is a deficient number, since it is larger than the sum of its proper divisors (1).

2004409801 is an equidigital number, since it uses as much as digits as its factorization.

2004409801 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2304, while the sum is 28.

The square root of 2004409801 is about 44770.6354768391. The cubic root of 2004409801 is about 1260.8463703322.

The spelling of 2004409801 in words is "two billion, four million, four hundred nine thousand, eight hundred one".