2549432441 has 2 divisors, whose sum is σ = 2549432442. Its totient is φ = 2549432440.

The previous prime is 2549432419. The next prime is 2549432443. The reversal of 2549432441 is 1442349452.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2379390841 + 170041600 = 48779^2 + 13040^2 .

It is a cyclic number.

It is not a de Polignac number, because 2549432441 - 2⁶ = 2549432377 is a prime.

Together with 2549432443, it forms a pair of twin primes.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 2549432395 and 2549432404.

It is not a weakly prime, because it can be changed into another prime (2549432443) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1274716220 + 1274716221.

It is an arithmetic number, because the mean of its divisors is an integer number (1274716221).

Almost surely, 2^2549432441 is an apocalyptic number.

It is an amenable number.

2549432441 is a deficient number, since it is larger than the sum of its proper divisors (1).

2549432441 is an equidigital number, since it uses as much as digits as its factorization.

2549432441 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 138240, while the sum is 38.

The square root of 2549432441 is about 50491.9047075865. The cubic root of 2549432441 is about 1366.0958413733.

The spelling of 2549432441 in words is "two billion, five hundred forty-nine million, four hundred thirty-two thousand, four hundred forty-one".