1841806473 has 8 divisors (see below), whose sum is σ = 2644645248. Its totient is φ = 1133419344.

The previous prime is 1841806459. The next prime is 1841806493. The reversal of 1841806473 is 3746081481.

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

It is not a de Polignac number, because 1841806473 - 2⁴ = 1841806457 is a prime.

It is a Smith number, since the sum of its digits (42) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is not an unprimeable number, because it can be changed into a prime (1841806403) 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, 23612865 + ... + 23612942.

It is an arithmetic number, because the mean of its divisors is an integer number (330580656).

Almost surely, 2^1841806473 is an apocalyptic number.

1841806473 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

1841806473 is a deficient number, since it is larger than the sum of its proper divisors (802838775).

1841806473 is a wasteful number, since it uses less digits than its factorization.

1841806473 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 47225823.

The product of its (nonzero) digits is 129024, while the sum is 42.

The square root of 1841806473 is about 42916.2728227883. The cubic root of 1841806473 is about 1225.7860229308.

It can be divided in two parts, 184180 and 6473, that added together give a triangular number (190653 = T₆₁₇).

The spelling of 1841806473 in words is "one billion, eight hundred forty-one million, eight hundred six thousand, four hundred seventy-three".