2237405549 has 2 divisors, whose sum is σ = 2237405550. Its totient is φ = 2237405548.

The previous prime is 2237405491. The next prime is 2237405551. The reversal of 2237405549 is 9455047322.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2182571524 + 54834025 = 46718^2 + 7405^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2237405549 is a prime.

Together with 2237405551, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2237401549) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1118702774 + 1118702775.

It is an arithmetic number, because the mean of its divisors is an integer number (1118702775).

Almost surely, 2^2237405549 is an apocalyptic number.

It is an amenable number.

2237405549 is a deficient number, since it is larger than the sum of its proper divisors (1).

2237405549 is an equidigital number, since it uses as much as digits as its factorization.

2237405549 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 302400, while the sum is 41.

The square root of 2237405549 is about 47301.2214324324. The cubic root of 2237405549 is about 1307.9211728923.

The spelling of 2237405549 in words is "two billion, two hundred thirty-seven million, four hundred five thousand, five hundred forty-nine".