2631134543 has 4 divisors (see below), whose sum is σ = 2668192848. Its totient is φ = 2594076240.

The previous prime is 2631134521. The next prime is 2631134581. The reversal of 2631134543 is 3454311362.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 2631134543 - 2⁶ = 2631134479 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2631134503) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 18529046 + ... + 18529187.

It is an arithmetic number, because the mean of its divisors is an integer number (667048212).

Almost surely, 2^2631134543 is an apocalyptic number.

2631134543 is a deficient number, since it is larger than the sum of its proper divisors (37058305).

2631134543 is an equidigital number, since it uses as much as digits as its factorization.

2631134543 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37058304.

The product of its digits is 25920, while the sum is 32.

The square root of 2631134543 is about 51294.5859033875. The cubic root of 2631134543 is about 1380.5358387867.

The spelling of 2631134543 in words is "two billion, six hundred thirty-one million, one hundred thirty-four thousand, five hundred forty-three".