2549042371 has 2 divisors, whose sum is σ = 2549042372. Its totient is φ = 2549042370.

The previous prime is 2549042323. The next prime is 2549042387. The reversal of 2549042371 is 1732409452.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2549042371 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 2549042371.

It is not a weakly prime, because it can be changed into another prime (2549045371) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1274521185 + 1274521186.

It is an arithmetic number, because the mean of its divisors is an integer number (1274521186).

Almost surely, 2^2549042371 is an apocalyptic number.

2549042371 is a deficient number, since it is larger than the sum of its proper divisors (1).

2549042371 is an equidigital number, since it uses as much as digits as its factorization.

2549042371 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 60480, while the sum is 37.

The square root of 2549042371 is about 50488.0418614151. The cubic root of 2549042371 is about 1366.0261657106.

The spelling of 2549042371 in words is "two billion, five hundred forty-nine million, forty-two thousand, three hundred seventy-one".