2047743871 has 2 divisors, whose sum is σ = 2047743872. Its totient is φ = 2047743870.

The previous prime is 2047743839. The next prime is 2047743913. The reversal of 2047743871 is 1783477402.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2047743871 - 2⁵ = 2047743839 is a prime.

It is a super-2 number, since 2×2047743871² = 8386509922436129282, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2047743571) 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, 1023871935 + 1023871936.

It is an arithmetic number, because the mean of its divisors is an integer number (1023871936).

Almost surely, 2^2047743871 is an apocalyptic number.

2047743871 is a deficient number, since it is larger than the sum of its proper divisors (1).

2047743871 is an equidigital number, since it uses as much as digits as its factorization.

2047743871 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 263424, while the sum is 43.

The square root of 2047743871 is about 45252.0040550692. The cubic root of 2047743871 is about 1269.8678993357.

The spelling of 2047743871 in words is "two billion, forty-seven million, seven hundred forty-three thousand, eight hundred seventy-one".