2543053609 has 2 divisors, whose sum is σ = 2543053610. Its totient is φ = 2543053608.

The previous prime is 2543053571. The next prime is 2543053619. The reversal of 2543053609 is 9063503452.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1849258009 + 693795600 = 43003^2 + 26340^2 .

It is a cyclic number.

It is not a de Polignac number, because 2543053609 - 2⁷ = 2543053481 is a prime.

It is not a weakly prime, because it can be changed into another prime (2543053619) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1271526804 + 1271526805.

It is an arithmetic number, because the mean of its divisors is an integer number (1271526805).

Almost surely, 2^2543053609 is an apocalyptic number.

It is an amenable number.

2543053609 is a deficient number, since it is larger than the sum of its proper divisors (1).

2543053609 is an equidigital number, since it uses as much as digits as its factorization.

2543053609 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 97200, while the sum is 37.

The square root of 2543053609 is about 50428.6982679506. The cubic root of 2543053609 is about 1364.9555387219.

The spelling of 2543053609 in words is "two billion, five hundred forty-three million, fifty-three thousand, six hundred nine".