1803968041 has 4 divisors (see below), whose sum is σ = 1852723972. Its totient is φ = 1755212112.

The previous prime is 1803968029. The next prime is 1803968051. The reversal of 1803968041 is 1408693081.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 1747658025 + 56310016 = 41805^2 + 7504^2 .

It is a cyclic number.

It is not a de Polignac number, because 1803968041 - 2⁵ = 1803968009 is a prime.

It is a super-3 number, since 3×1803968041³ (a number of 29 digits) contains 333 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1803967985 and 1803968003.

It is not an unprimeable number, because it can be changed into a prime (1803968051) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 24377910 + ... + 24377983.

It is an arithmetic number, because the mean of its divisors is an integer number (463180993).

Almost surely, 2^1803968041 is an apocalyptic number.

It is an amenable number.

1803968041 is a deficient number, since it is larger than the sum of its proper divisors (48755931).

1803968041 is an equidigital number, since it uses as much as digits as its factorization.

1803968041 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 48755930.

The product of its (nonzero) digits is 41472, while the sum is 40.

The square root of 1803968041 is about 42473.1449388905. The cubic root of 1803968041 is about 1217.3336107465. Note that the first 3 decimals are identical.

The spelling of 1803968041 in words is "one billion, eight hundred three million, nine hundred sixty-eight thousand, forty-one".