2804221139 has 2 divisors, whose sum is σ = 2804221140. Its totient is φ = 2804221138.

The previous prime is 2804221127. The next prime is 2804221169. The reversal of 2804221139 is 9311224082.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2804221139 - 2⁸ = 2804220883 is a prime.

It is not a weakly prime, because it can be changed into another prime (2804221169) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1402110569 + 1402110570.

It is an arithmetic number, because the mean of its divisors is an integer number (1402110570).

Almost surely, 2^2804221139 is an apocalyptic number.

2804221139 is a deficient number, since it is larger than the sum of its proper divisors (1).

2804221139 is an equidigital number, since it uses as much as digits as its factorization.

2804221139 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 6912, while the sum is 32.

The square root of 2804221139 is about 52954.8972145164. The cubic root of 2804221139 is about 1410.1676676357.

The spelling of 2804221139 in words is "two billion, eight hundred four million, two hundred twenty-one thousand, one hundred thirty-nine".