1841444641 has 16 divisors (see below), whose sum is σ = 2071604160. Its totient is φ = 1626531840.

The previous prime is 1841444629. The next prime is 1841444651. The reversal of 1841444641 is 1464441481.

It is a cyclic number.

It is not a de Polignac number, because 1841444641 - 2¹³ = 1841436449 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1841444641.

It is not an unprimeable number, because it can be changed into a prime (1841444651) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7921 + ... + 61201.

It is an arithmetic number, because the mean of its divisors is an integer number (129475260).

Almost surely, 2^1841444641 is an apocalyptic number.

It is an amenable number.

1841444641 is a deficient number, since it is larger than the sum of its proper divisors (230159519).

1841444641 is a wasteful number, since it uses less digits than its factorization.

1841444641 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 53424.

The product of its digits is 49152, while the sum is 37.

The square root of 1841444641 is about 42912.0570585937. The cubic root of 1841444641 is about 1225.7057470961.

The spelling of 1841444641 in words is "one billion, eight hundred forty-one million, four hundred forty-four thousand, six hundred forty-one".