2813745439 has 2 divisors, whose sum is σ = 2813745440. Its totient is φ = 2813745438.

The previous prime is 2813745437. The next prime is 2813745469. The reversal of 2813745439 is 9345473182.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2813745439 - 2¹ = 2813745437 is a prime.

Together with 2813745437, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2813745437) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1406872719 + 1406872720.

It is an arithmetic number, because the mean of its divisors is an integer number (1406872720).

Almost surely, 2^2813745439 is an apocalyptic number.

2813745439 is a deficient number, since it is larger than the sum of its proper divisors (1).

2813745439 is an equidigital number, since it uses as much as digits as its factorization.

2813745439 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 725760, while the sum is 46.

The square root of 2813745439 is about 53044.7494008596. The cubic root of 2813745439 is about 1411.7623686579.

The spelling of 2813745439 in words is "two billion, eight hundred thirteen million, seven hundred forty-five thousand, four hundred thirty-nine".