6438031471 has 8 divisors (see below), whose sum is σ = 6576583680. Its totient is φ = 6299544888.

The previous prime is 6438031373. The next prime is 6438031477. The reversal of 6438031471 is 1741308346.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 6438031471 - 2⁹ = 6438030959 is a prime.

It is a super-3 number, since 3×6438031471³ (a number of 30 digits) contains 333 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 6438031471.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6438031477) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 217270 + ... + 245116.

It is an arithmetic number, because the mean of its divisors is an integer number (822072960).

Almost surely, 2^6438031471 is an apocalyptic number.

6438031471 is a deficient number, since it is larger than the sum of its proper divisors (138552209).

6438031471 is a wasteful number, since it uses less digits than its factorization.

6438031471 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32813.

The product of its (nonzero) digits is 48384, while the sum is 37.

The square root of 6438031471 is about 80237.3446158333. The cubic root of 6438031471 is about 1860.3059071183.

The spelling of 6438031471 in words is "six billion, four hundred thirty-eight million, thirty-one thousand, four hundred seventy-one".