1841441861 has 8 divisors (see below), whose sum is σ = 2140175040. Its totient is φ = 1551626208.

The previous prime is 1841441843. The next prime is 1841441873. The reversal of 1841441861 is 1681441481.

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

It is a cyclic number.

It is not a de Polignac number, because 1841441861 - 2¹⁴ = 1841425477 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1841441891) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2228936 + ... + 2229761.

It is an arithmetic number, because the mean of its divisors is an integer number (267521880).

Almost surely, 2^1841441861 is an apocalyptic number.

It is an amenable number.

1841441861 is a deficient number, since it is larger than the sum of its proper divisors (298733179).

1841441861 is an equidigital number, since it uses as much as digits as its factorization.

1841441861 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4458763.

The product of its digits is 24576, while the sum is 38.

The square root of 1841441861 is about 42912.0246667528. The cubic root of 1841441861 is about 1225.7051302862.

The spelling of 1841441861 in words is "one billion, eight hundred forty-one million, four hundred forty-one thousand, eight hundred sixty-one".