1846816849 has 2 divisors, whose sum is σ = 1846816850. Its totient is φ = 1846816848.

The previous prime is 1846816843. The next prime is 1846816859. The reversal of 1846816849 is 9486186481.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1092765249 + 754051600 = 33057^2 + 27460^2 .

It is an emirp because it is prime and its reverse (9486186481) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1846816849 - 2⁷ = 1846816721 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1846816849.

It is not a weakly prime, because it can be changed into another prime (1846816843) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 923408424 + 923408425.

It is an arithmetic number, because the mean of its divisors is an integer number (923408425).

Almost surely, 2^1846816849 is an apocalyptic number.

It is an amenable number.

1846816849 is a deficient number, since it is larger than the sum of its proper divisors (1).

1846816849 is an equidigital number, since it uses as much as digits as its factorization.

1846816849 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2654208, while the sum is 55.

The square root of 1846816849 is about 42974.6070255447. The cubic root of 1846816849 is about 1226.8965428103.

The spelling of 1846816849 in words is "one billion, eight hundred forty-six million, eight hundred sixteen thousand, eight hundred forty-nine".