1841805941 has 2 divisors, whose sum is σ = 1841805942. Its totient is φ = 1841805940.

The previous prime is 1841805929. The next prime is 1841805989. The reversal of 1841805941 is 1495081481.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1685430916 + 156375025 = 41054^2 + 12505^2 .

It is a cyclic number.

It is not a de Polignac number, because 1841805941 - 2¹⁰ = 1841804917 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1841825941) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 920902970 + 920902971.

It is an arithmetic number, because the mean of its divisors is an integer number (920902971).

Almost surely, 2^1841805941 is an apocalyptic number.

It is an amenable number.

1841805941 is a deficient number, since it is larger than the sum of its proper divisors (1).

1841805941 is an equidigital number, since it uses as much as digits as its factorization.

1841805941 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 46080, while the sum is 41.

The square root of 1841805941 is about 42916.2666246727. The cubic root of 1841805941 is about 1225.7859049093.

The spelling of 1841805941 in words is "one billion, eight hundred forty-one million, eight hundred five thousand, nine hundred forty-one".