2543913013 has 2 divisors, whose sum is σ = 2543913014. Its totient is φ = 2543913012.

The previous prime is 2543912993. The next prime is 2543913061. The reversal of 2543913013 is 3103193452.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2214925969 + 328987044 = 47063^2 + 18138^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2543913013 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2543913083) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1271956506 + 1271956507.

It is an arithmetic number, because the mean of its divisors is an integer number (1271956507).

Almost surely, 2^2543913013 is an apocalyptic number.

It is an amenable number.

2543913013 is a deficient number, since it is larger than the sum of its proper divisors (1).

2543913013 is an equidigital number, since it uses as much as digits as its factorization.

2543913013 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 9720, while the sum is 31.

The square root of 2543913013 is about 50437.2185295740. The cubic root of 2543913013 is about 1365.1092798948.

The spelling of 2543913013 in words is "two billion, five hundred forty-three million, nine hundred thirteen thousand, thirteen".