2481543191 has 2 divisors, whose sum is σ = 2481543192. Its totient is φ = 2481543190.

The previous prime is 2481543173. The next prime is 2481543293. The reversal of 2481543191 is 1913451842.

2481543191 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2481543191 - 2²⁶ = 2414434327 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2481543101) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1240771595 + 1240771596.

It is an arithmetic number, because the mean of its divisors is an integer number (1240771596).

Almost surely, 2^2481543191 is an apocalyptic number.

2481543191 is a deficient number, since it is larger than the sum of its proper divisors (1).

2481543191 is an equidigital number, since it uses as much as digits as its factorization.

2481543191 is an evil number, because the sum of its binary digits is even.

The product of its digits is 34560, while the sum is 38.

The square root of 2481543191 is about 49815.0899928927. The cubic root of 2481543191 is about 1353.8605892376.

The spelling of 2481543191 in words is "two billion, four hundred eighty-one million, five hundred forty-three thousand, one hundred ninety-one".