2004959643 has 8 divisors (see below), whose sum is σ = 2673493056. Its totient is φ = 1336533000.

The previous prime is 2004959633. The next prime is 2004959647. The reversal of 2004959643 is 3469594002.

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

It is not a de Polignac number, because 2004959643 - 2¹³ = 2004951451 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2004959595 and 2004959604.

It is not an unprimeable number, because it can be changed into a prime (2004959647) 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, 43488 + ... + 76818.

It is an arithmetic number, because the mean of its divisors is an integer number (334186632).

Almost surely, 2^2004959643 is an apocalyptic number.

2004959643 is a deficient number, since it is larger than the sum of its proper divisors (668533413).

2004959643 is a wasteful number, since it uses less digits than its factorization.

2004959643 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 53385.

The product of its (nonzero) digits is 233280, while the sum is 42.

The square root of 2004959643 is about 44776.7757101826. The cubic root of 2004959643 is about 1260.9616499701.

The spelling of 2004959643 in words is "two billion, four million, nine hundred fifty-nine thousand, six hundred forty-three".