2904239873 has 2 divisors, whose sum is σ = 2904239874. Its totient is φ = 2904239872.

The previous prime is 2904239827. The next prime is 2904239893. The reversal of 2904239873 is 3789324092.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2879717569 + 24522304 = 53663^2 + 4952^2 .

It is a cyclic number.

It is not a de Polignac number, because 2904239873 - 2²⁰ = 2903191297 is a prime.

It is a super-2 number, since 2×2904239873² = 16869218479846112258, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (2904239893) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1452119936 + 1452119937.

It is an arithmetic number, because the mean of its divisors is an integer number (1452119937).

Almost surely, 2^2904239873 is an apocalyptic number.

It is an amenable number.

2904239873 is a deficient number, since it is larger than the sum of its proper divisors (1).

2904239873 is an equidigital number, since it uses as much as digits as its factorization.

2904239873 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 653184, while the sum is 47.

The square root of 2904239873 is about 53890.9999257761. Note that the first 4 decimals coincide. The cubic root of 2904239873 is about 1426.7377790552.

The spelling of 2904239873 in words is "two billion, nine hundred four million, two hundred thirty-nine thousand, eight hundred seventy-three".