1846909081404 has 30 divisors (see below), whose sum is σ = 4828185161184. Its totient is φ = 615636360360.

The previous prime is 1846909081403. The next prime is 1846909081447. The reversal of 1846909081404 is 4041809096481.

It is a happy number.

1846909081404 is a `hidden beast` number, since 18 + 4 + 69 + 0 + 90 + 81 + 404 = 666.

It is a super-2 number, since 2×1846909081404² (a number of 25 digits) contains 22 as substring.

It is a Smith number, since the sum of its digits (54) coincides with the sum of the digits of its prime factors.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1846909081403) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 2850168012 + ... + 2850168659.

Almost surely, 2^{1846909081404} is an apocalyptic number.

It is an amenable number.

1846909081404 is an abundant number, since it is smaller than the sum of its proper divisors (2981276079780).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1846909081404 is a wasteful number, since it uses less digits than its factorization.

1846909081404 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5700336687 (or 5700336676 counting only the distinct ones).

The product of its (nonzero) digits is 1990656, while the sum is 54.

The spelling of 1846909081404 in words is "one trillion, eight hundred forty-six billion, nine hundred nine million, eighty-one thousand, four hundred four".