2549442037 has 2 divisors, whose sum is σ = 2549442038. Its totient is φ = 2549442036.

The previous prime is 2549442017. The next prime is 2549442083. The reversal of 2549442037 is 7302449452.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2511914161 + 37527876 = 50119^2 + 6126^2 .

It is a cyclic number.

It is not a de Polignac number, because 2549442037 - 2¹¹ = 2549439989 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2549442017) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1274721018 + 1274721019.

It is an arithmetic number, because the mean of its divisors is an integer number (1274721019).

Almost surely, 2^2549442037 is an apocalyptic number.

It is an amenable number.

2549442037 is a deficient number, since it is larger than the sum of its proper divisors (1).

2549442037 is an equidigital number, since it uses as much as digits as its factorization.

2549442037 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 241920, while the sum is 40.

The square root of 2549442037 is about 50491.9997326309. Note that the first 3 decimals coincide. The cubic root of 2549442037 is about 1366.0975553547.

The spelling of 2549442037 in words is "two billion, five hundred forty-nine million, four hundred forty-two thousand, thirty-seven".