6447634317 has 16 divisors (see below), whose sum is σ = 9561866880. Its totient is φ = 4294005696.

The previous prime is 6447634307. The next prime is 6447634327. The reversal of 6447634317 is 7134367446.

6447634317 is a `hidden beast` number, since 6 + 4 + 4 + 7 + 634 + 3 + 1 + 7 = 666.

It is an interprime number because it is at equal distance from previous prime (6447634307) and next prime (6447634327).

It is not a de Polignac number, because 6447634317 - 2⁷ = 6447634189 is a prime.

It is a hoax number, since the sum of its digits (45) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6447634307) 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, 95833 + ... + 148590.

It is an arithmetic number, because the mean of its divisors is an integer number (597616680).

Almost surely, 2^6447634317 is an apocalyptic number.

It is an amenable number.

6447634317 is a deficient number, since it is larger than the sum of its proper divisors (3114232563).

6447634317 is a wasteful number, since it uses less digits than its factorization.

6447634317 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 245409 (or 245403 counting only the distinct ones).

The product of its digits is 1016064, while the sum is 45.

The square root of 6447634317 is about 80297.1625712889. The cubic root of 6447634317 is about 1861.2303799995.

The spelling of 6447634317 in words is "six billion, four hundred forty-seven million, six hundred thirty-four thousand, three hundred seventeen".