2542055449 has 2 divisors, whose sum is σ = 2542055450. Its totient is φ = 2542055448.

The previous prime is 2542055357. The next prime is 2542055471. The reversal of 2542055449 is 9445502452.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2423789824 + 118265625 = 49232^2 + 10875^2 .

It is a cyclic number.

It is not a de Polignac number, because 2542055449 - 2²¹ = 2539958297 is a prime.

It is not a weakly prime, because it can be changed into another prime (2542056449) 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, 1271027724 + 1271027725.

It is an arithmetic number, because the mean of its divisors is an integer number (1271027725).

Almost surely, 2^2542055449 is an apocalyptic number.

It is an amenable number.

2542055449 is a deficient number, since it is larger than the sum of its proper divisors (1).

2542055449 is an equidigital number, since it uses as much as digits as its factorization.

2542055449 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 288000, while the sum is 40.

The square root of 2542055449 is about 50418.8005509849. The cubic root of 2542055449 is about 1364.7769316187.

The spelling of 2542055449 in words is "two billion, five hundred forty-two million, fifty-five thousand, four hundred forty-nine".