1849811042 has 8 divisors (see below), whose sum is σ = 2791739856. Its totient is φ = 919231092.

The previous prime is 1849811039. The next prime is 1849811083. The reversal of 1849811042 is 2401189481.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×1849811042² = 6843601782210251528, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1849810987 and 1849811005.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2836808 + ... + 2837459.

It is an arithmetic number, because the mean of its divisors is an integer number (348967482).

Almost surely, 2^1849811042 is an apocalyptic number.

1849811042 is a deficient number, since it is larger than the sum of its proper divisors (941928814).

1849811042 is a wasteful number, since it uses less digits than its factorization.

1849811042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5674432.

The product of its (nonzero) digits is 18432, while the sum is 38.

The square root of 1849811042 is about 43009.4296869884. The cubic root of 1849811042 is about 1227.5592292673.

The spelling of 1849811042 in words is "one billion, eight hundred forty-nine million, eight hundred eleven thousand, forty-two".