6398733443 has 8 divisors (see below), whose sum is σ = 6422447568. Its totient is φ = 6375042144.

The previous prime is 6398733433. The next prime is 6398733463. The reversal of 6398733443 is 3443378936.

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 6398733443 - 2⁴ = 6398733427 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 6398733391 and 6398733400.

It is not an unprimeable number, because it can be changed into a prime (6398733413) 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, 722480 + ... + 731282.

It is an arithmetic number, because the mean of its divisors is an integer number (802805946).

Almost surely, 2^6398733443 is an apocalyptic number.

6398733443 is a deficient number, since it is larger than the sum of its proper divisors (23714125).

6398733443 is a wasteful number, since it uses less digits than its factorization.

6398733443 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11413.

The product of its digits is 3919104, while the sum is 50.

The square root of 6398733443 is about 79992.0836270690. The cubic root of 6398733443 is about 1856.5130495977.

The spelling of 6398733443 in words is "six billion, three hundred ninety-eight million, seven hundred thirty-three thousand, four hundred forty-three".