6474331643 has 8 divisors (see below), whose sum is σ = 7339323600. Its totient is φ = 5661763488.

The previous prime is 6474331637. The next prime is 6474331657. The reversal of 6474331643 is 3461334746.

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

It is not a de Polignac number, because 6474331643 - 2⁶ = 6474331579 is a prime.

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 6474331643.

It is not an unprimeable number, because it can be changed into a prime (6474331673) 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, 13105688 + ... + 13106181.

It is an arithmetic number, because the mean of its divisors is an integer number (917415450).

Almost surely, 2^6474331643 is an apocalyptic number.

6474331643 is a deficient number, since it is larger than the sum of its proper divisors (864991957).

6474331643 is a wasteful number, since it uses less digits than its factorization.

6474331643 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26211901.

The product of its digits is 435456, while the sum is 41.

The square root of 6474331643 is about 80463.2316216544. The cubic root of 6474331643 is about 1863.7957368677.

The spelling of 6474331643 in words is "six billion, four hundred seventy-four million, three hundred thirty-one thousand, six hundred forty-three".