2081447604 has 36 divisors (see below), whose sum is σ = 5456307584. Its totient is φ = 693815544.

The previous prime is 2081447579. The next prime is 2081447609. The reversal of 2081447604 is 4067441802.

2081447604 is a `hidden beast` number, since 2 + 0 + 8 + 1 + 4 + 47 + 604 = 666.

It is a tau number, because it is divible by the number of its divisors (36).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2081447609) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1069732 + ... + 1071675.

Almost surely, 2^2081447604 is an apocalyptic number.

It is an amenable number.

2081447604 is an abundant number, since it is smaller than the sum of its proper divisors (3374859980).

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

2081447604 is a wasteful number, since it uses less digits than its factorization.

2081447604 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2141426 (or 2141412 counting only the distinct ones).

The product of its (nonzero) digits is 43008, while the sum is 36.

The square root of 2081447604 is about 45622.8846523321. The cubic root of 2081447604 is about 1276.7969237517.

The spelling of 2081447604 in words is "two billion, eighty-one million, four hundred forty-seven thousand, six hundred four".