6404884046 has 12 divisors (see below), whose sum is σ = 10560119136. Its totient is φ = 2911310820.

The previous prime is 6404884043. The next prime is 6404884049.

6404884046 is nontrivially palindromic in base 10.

It is an interprime number because it is at equal distance from previous prime (6404884043) and next prime (6404884049).

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 6404883988 and 6404884006.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6404884043) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 13232990 + ... + 13233473.

It is an arithmetic number, because the mean of its divisors is an integer number (880009928).

Almost surely, 2^6404884046 is an apocalyptic number.

6404884046 is a deficient number, since it is larger than the sum of its proper divisors (4155235090).

6404884046 is a wasteful number, since it uses less digits than its factorization.

6404884046 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26466487 (or 26466476 counting only the distinct ones).

The product of its (nonzero) digits is 589824, while the sum is 44.

The square root of 6404884046 is about 80030.5194660137. The cubic root of 6404884046 is about 1857.1076994691.

The spelling of 6404884046 in words is "six billion, four hundred four million, eight hundred eighty-four thousand, forty-six".