2004646331 has 4 divisors (see below), whose sum is σ = 2004884664. Its totient is φ = 2004408000.

The previous prime is 2004646321. The next prime is 2004646361. The reversal of 2004646331 is 1336464002.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2004646331 is a prime.

It is a super-2 number, since 2×2004646331² = 8037213824783523122, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2004646294 and 2004646303.

It is not an unprimeable number, because it can be changed into a prime (2004646321) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 106070 + ... + 123531.

It is an arithmetic number, because the mean of its divisors is an integer number (501221166).

Almost surely, 2^2004646331 is an apocalyptic number.

2004646331 is a deficient number, since it is larger than the sum of its proper divisors (238333).

2004646331 is an equidigital number, since it uses as much as digits as its factorization.

2004646331 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 238332.

The product of its (nonzero) digits is 10368, while the sum is 29.

The square root of 2004646331 is about 44773.2769741059. The cubic root of 2004646331 is about 1260.8959636941.

The spelling of 2004646331 in words is "two billion, four million, six hundred forty-six thousand, three hundred thirty-one".