1837168849 has 2 divisors, whose sum is σ = 1837168850. Its totient is φ = 1837168848.

The previous prime is 1837168847. The next prime is 1837168859. The reversal of 1837168849 is 9488617381.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1063216449 + 773952400 = 32607^2 + 27820^2 .

It is an emirp because it is prime and its reverse (9488617381) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1837168849 - 2¹ = 1837168847 is a prime.

Together with 1837168847, it forms a pair of twin primes.

It is a self number, because there is not a number n which added to its sum of digits gives 1837168849.

It is not a weakly prime, because it can be changed into another prime (1837168847) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 918584424 + 918584425.

It is an arithmetic number, because the mean of its divisors is an integer number (918584425).

Almost surely, 2^1837168849 is an apocalyptic number.

It is an amenable number.

1837168849 is a deficient number, since it is larger than the sum of its proper divisors (1).

1837168849 is an equidigital number, since it uses as much as digits as its factorization.

1837168849 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2322432, while the sum is 55.

The square root of 1837168849 is about 42862.2077009573. The cubic root of 1837168849 is about 1224.7563250428.

The spelling of 1837168849 in words is "one billion, eight hundred thirty-seven million, one hundred sixty-eight thousand, eight hundred forty-nine".