2004521893 has 8 divisors (see below), whose sum is σ = 2195466336. Its totient is φ = 1815030000.

The previous prime is 2004521891. The next prime is 2004521903. The reversal of 2004521893 is 3981254002.

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

It is a cyclic number.

It is not a de Polignac number, because 2004521893 - 2¹ = 2004521891 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2004521891) 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 7 ways as a sum of consecutive naturals, for example, 360246 + ... + 365767.

It is an arithmetic number, because the mean of its divisors is an integer number (274433292).

Almost surely, 2^2004521893 is an apocalyptic number.

It is an amenable number.

2004521893 is a deficient number, since it is larger than the sum of its proper divisors (190944443).

2004521893 is a wasteful number, since it uses less digits than its factorization.

2004521893 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 726275.

The product of its (nonzero) digits is 17280, while the sum is 34.

The square root of 2004521893 is about 44771.8873066571. The cubic root of 2004521893 is about 1260.8698732035.

Adding to 2004521893 its reverse (3981254002), we get a palindrome (5985775895).

The spelling of 2004521893 in words is "two billion, four million, five hundred twenty-one thousand, eight hundred ninety-three".