6439480943 has 16 divisors (see below), whose sum is σ = 7709568000. Its totient is φ = 5261753952.

The previous prime is 6439480907. The next prime is 6439480961. The reversal of 6439480943 is 3490849346.

It is not a de Polignac number, because 6439480943 - 2¹⁰ = 6439479919 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 6439480891 and 6439480900.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6439480043) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 184733 + ... + 216806.

It is an arithmetic number, because the mean of its divisors is an integer number (481848000).

Almost surely, 2^6439480943 is an apocalyptic number.

6439480943 is a deficient number, since it is larger than the sum of its proper divisors (1270087057).

6439480943 is a wasteful number, since it uses less digits than its factorization.

6439480943 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 401654.

The product of its (nonzero) digits is 2239488, while the sum is 50.

The square root of 6439480943 is about 80246.3765100955. The cubic root of 6439480943 is about 1860.4455077089.

The spelling of 6439480943 in words is "six billion, four hundred thirty-nine million, four hundred eighty thousand, nine hundred forty-three".