2047489439 has 2 divisors, whose sum is σ = 2047489440. Its totient is φ = 2047489438.

The previous prime is 2047489399. The next prime is 2047489489. The reversal of 2047489439 is 9349847402.

It is an a-pointer prime, because the next prime (2047489489) can be obtained adding 2047489439 to its sum of digits (50).

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2047489439 - 2⁸ = 2047489183 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2047489489) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1023744719 + 1023744720.

It is an arithmetic number, because the mean of its divisors is an integer number (1023744720).

Almost surely, 2^2047489439 is an apocalyptic number.

2047489439 is a deficient number, since it is larger than the sum of its proper divisors (1).

2047489439 is an equidigital number, since it uses as much as digits as its factorization.

2047489439 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1741824, while the sum is 50.

The square root of 2047489439 is about 45249.1926889309. The cubic root of 2047489439 is about 1269.8153034982.

The spelling of 2047489439 in words is "two billion, forty-seven million, four hundred eighty-nine thousand, four hundred thirty-nine".