2249140237 has 2 divisors, whose sum is σ = 2249140238. Its totient is φ = 2249140236.

The previous prime is 2249140213. The next prime is 2249140259. The reversal of 2249140237 is 7320419422.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1930196356 + 318943881 = 43934^2 + 17859^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2249140237 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2249140297) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1124570118 + 1124570119.

It is an arithmetic number, because the mean of its divisors is an integer number (1124570119).

Almost surely, 2^2249140237 is an apocalyptic number.

It is an amenable number.

2249140237 is a deficient number, since it is larger than the sum of its proper divisors (1).

2249140237 is an equidigital number, since it uses as much as digits as its factorization.

2249140237 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 24192, while the sum is 34.

The square root of 2249140237 is about 47425.1013388480. The cubic root of 2249140237 is about 1310.2037709162.

Adding to 2249140237 its reverse (7320419422), we get a palindrome (9569559659).

The spelling of 2249140237 in words is "two billion, two hundred forty-nine million, one hundred forty thousand, two hundred thirty-seven".