2648939543 has 2 divisors, whose sum is σ = 2648939544. Its totient is φ = 2648939542.

The previous prime is 2648939459. The next prime is 2648939563. The reversal of 2648939543 is 3459398462.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2648939543 - 2¹⁰ = 2648938519 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2648939563) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1324469771 + 1324469772.

It is an arithmetic number, because the mean of its divisors is an integer number (1324469772).

Almost surely, 2^2648939543 is an apocalyptic number.

2648939543 is a deficient number, since it is larger than the sum of its proper divisors (1).

2648939543 is an equidigital number, since it uses as much as digits as its factorization.

2648939543 is an evil number, because the sum of its binary digits is even.

The product of its digits is 5598720, while the sum is 53.

The square root of 2648939543 is about 51467.8496053604. The cubic root of 2648939543 is about 1383.6428891342.

The spelling of 2648939543 in words is "two billion, six hundred forty-eight million, nine hundred thirty-nine thousand, five hundred forty-three".