2004612345 has 12 divisors (see below), whose sum is σ = 3474661476. Its totient is φ = 1069126560.

The previous prime is 2004612343. The next prime is 2004612349. The reversal of 2004612345 is 5432164002.

2004612345 is a `hidden beast` number, since 2 + 0 + 0 + 4 + 612 + 3 + 45 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 1289959056 + 714653289 = 35916^2 + 26733^2 .

It is not a de Polignac number, because 2004612345 - 2¹ = 2004612343 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2004612343) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 22273426 + ... + 22273515.

It is an arithmetic number, because the mean of its divisors is an integer number (289555123).

Almost surely, 2^2004612345 is an apocalyptic number.

It is an amenable number.

2004612345 is a deficient number, since it is larger than the sum of its proper divisors (1470049131).

2004612345 is a wasteful number, since it uses less digits than its factorization.

2004612345 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44546952 (or 44546949 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 27.

The square root of 2004612345 is about 44772.8974380707. The cubic root of 2004612345 is about 1260.8888380727. Note that the first 4 decimals are identical.

Adding to 2004612345 its reverse (5432164002), we get a palindrome (7436776347).

The spelling of 2004612345 in words is "two billion, four million, six hundred twelve thousand, three hundred forty-five".