6441478674 has 32 divisors (see below), whose sum is σ = 12972324096. Its totient is φ = 2132317440.

The previous prime is 6441478669. The next prime is 6441478679. The reversal of 6441478674 is 4768741446.

It is an interprime number because it is at equal distance from previous prime (6441478669) and next prime (6441478679).

It is not an unprimeable number, because it can be changed into a prime (6441478679) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 509194 + ... + 521690.

It is an arithmetic number, because the mean of its divisors is an integer number (405385128).

Almost surely, 2^6441478674 is an apocalyptic number.

6441478674 is an abundant number, since it is smaller than the sum of its proper divisors (6530845422).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

6441478674 is a wasteful number, since it uses less digits than its factorization.

6441478674 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13090.

The product of its digits is 3612672, while the sum is 51.

The square root of 6441478674 is about 80258.8230289979. The cubic root of 6441478674 is about 1860.6378775299.

The spelling of 6441478674 in words is "six billion, four hundred forty-one million, four hundred seventy-eight thousand, six hundred seventy-four".