6443346681004 has 24 divisors (see below), whose sum is σ = 11601179191728. Its totient is φ = 3129033372480.

The previous prime is 6443346680999. The next prime is 6443346681029. The reversal of 6443346681004 is 4001866433446.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 38581087 + ... + 38747734.

It is an arithmetic number, because the mean of its divisors is an integer number (483382466322).

Almost surely, 2^{6443346681004} is an apocalyptic number.

It is an amenable number.

6443346681004 is a deficient number, since it is larger than the sum of its proper divisors (5157832510724).

6443346681004 is a wasteful number, since it uses less digits than its factorization.

6443346681004 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 77329425 (or 77329423 counting only the distinct ones).

The product of its (nonzero) digits is 3981312, while the sum is 49.

The spelling of 6443346681004 in words is "six trillion, four hundred forty-three billion, three hundred forty-six million, six hundred eighty-one thousand, four".