2840466439 has 2 divisors, whose sum is σ = 2840466440. Its totient is φ = 2840466438.

The previous prime is 2840466401. The next prime is 2840466449. The reversal of 2840466439 is 9346640482.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2840466439 - 2⁷ = 2840466311 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2840466449) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1420233219 + 1420233220.

It is an arithmetic number, because the mean of its divisors is an integer number (1420233220).

Almost surely, 2^2840466439 is an apocalyptic number.

2840466439 is a deficient number, since it is larger than the sum of its proper divisors (1).

2840466439 is an equidigital number, since it uses as much as digits as its factorization.

2840466439 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 995328, while the sum is 46.

The square root of 2840466439 is about 53296.0264841573. The cubic root of 2840466439 is about 1416.2172744717.

The spelling of 2840466439 in words is "two billion, eight hundred forty million, four hundred sixty-six thousand, four hundred thirty-nine".