1849811041 has 32 divisors (see below), whose sum is σ = 2146249728. Its totient is φ = 1580705280.

The previous prime is 1849811039. The next prime is 1849811083. The reversal of 1849811041 is 1401189481.

It is a 2-Lehmer number, since φ(1849811041) divides (1849811041-1)².

It is a cyclic number.

It is a Carmichael number.

It is not a de Polignac number, because 1849811041 - 2¹ = 1849811039 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (37).

It is a deceptive number, since it divides R_1849811040.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1849811441) by changing a digit.

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 31 ways as a sum of consecutive naturals, for example, 2997765 + ... + 2998381.

It is an arithmetic number, because the mean of its divisors is an integer number (67070304).

It is a Poulet number, since it divides 2^1849811040-1.

Almost surely, 2^1849811041 is an apocalyptic number.

It is an amenable number.

1849811041 is a deficient number, since it is larger than the sum of its proper divisors (296438687).

1849811041 is a wasteful number, since it uses less digits than its factorization.

1849811041 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 961.

The product of its (nonzero) digits is 9216, while the sum is 37.

The square root of 1849811041 is about 43009.4296753631. The cubic root of 1849811041 is about 1227.5592290461.

The spelling of 1849811041 in words is "one billion, eight hundred forty-nine million, eight hundred eleven thousand, forty-one".