2543473871 has 2 divisors, whose sum is σ = 2543473872. Its totient is φ = 2543473870.

The previous prime is 2543473799. The next prime is 2543473879. The reversal of 2543473871 is 1783743452.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2543473871 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2543473879) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1271736935 + 1271736936.

It is an arithmetic number, because the mean of its divisors is an integer number (1271736936).

Almost surely, 2^2543473871 is an apocalyptic number.

2543473871 is a deficient number, since it is larger than the sum of its proper divisors (1).

2543473871 is an equidigital number, since it uses as much as digits as its factorization.

2543473871 is an evil number, because the sum of its binary digits is even.

The product of its digits is 564480, while the sum is 44.

The square root of 2543473871 is about 50432.8649890129. The cubic root of 2543473871 is about 1365.0307248873.

The spelling of 2543473871 in words is "two billion, five hundred forty-three million, four hundred seventy-three thousand, eight hundred seventy-one".