2784859841 has 2 divisors, whose sum is σ = 2784859842. Its totient is φ = 2784859840.

The previous prime is 2784859829. The next prime is 2784859843. The reversal of 2784859841 is 1489584872.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2152588816 + 632271025 = 46396^2 + 25145^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2784859841 is a prime.

Together with 2784859843, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (2784859843) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1392429920 + 1392429921.

It is an arithmetic number, because the mean of its divisors is an integer number (1392429921).

Almost surely, 2^2784859841 is an apocalyptic number.

It is an amenable number.

2784859841 is a deficient number, since it is larger than the sum of its proper divisors (1).

2784859841 is an equidigital number, since it uses as much as digits as its factorization.

2784859841 is an evil number, because the sum of its binary digits is even.

The product of its digits is 5160960, while the sum is 56.

The square root of 2784859841 is about 52771.7712513044. The cubic root of 2784859841 is about 1406.9147436944.

The spelling of 2784859841 in words is "two billion, seven hundred eighty-four million, eight hundred fifty-nine thousand, eight hundred forty-one".