2534543449 has 2 divisors, whose sum is σ = 2534543450. Its totient is φ = 2534543448.

The previous prime is 2534543441. The next prime is 2534543497. The reversal of 2534543449 is 9443454352.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2040148224 + 494395225 = 45168^2 + 22235^2 .

It is a cyclic number.

It is not a de Polignac number, because 2534543449 - 2³ = 2534543441 is a prime.

It is not a weakly prime, because it can be changed into another prime (2534543441) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1267271724 + 1267271725.

It is an arithmetic number, because the mean of its divisors is an integer number (1267271725).

Almost surely, 2^2534543449 is an apocalyptic number.

It is an amenable number.

2534543449 is a deficient number, since it is larger than the sum of its proper divisors (1).

2534543449 is an equidigital number, since it uses as much as digits as its factorization.

2534543449 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1036800, while the sum is 43.

The square root of 2534543449 is about 50344.2494134136. The cubic root of 2534543449 is about 1363.4312594709.

The spelling of 2534543449 in words is "two billion, five hundred thirty-four million, five hundred forty-three thousand, four hundred forty-nine".