6471389093 has 16 divisors (see below), whose sum is σ = 7180533360. Its totient is φ = 5794973184.

The previous prime is 6471389081. The next prime is 6471389137. The reversal of 6471389093 is 3909831746.

It can be written as a sum of positive squares in 8 ways, for example, as 1117249 + 6470271844 = 1057^2 + 80438^2 .

It is a de Polignac number, because none of the positive numbers 2^k-6471389093 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6471389033) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8555 + ... + 114087.

It is an arithmetic number, because the mean of its divisors is an integer number (448783335).

Almost surely, 2^6471389093 is an apocalyptic number.

It is an amenable number.

6471389093 is a deficient number, since it is larger than the sum of its proper divisors (709144267).

6471389093 is a wasteful number, since it uses less digits than its factorization.

6471389093 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 105688.

The product of its (nonzero) digits is 979776, while the sum is 50.

The square root of 6471389093 is about 80444.9444837897. The cubic root of 6471389093 is about 1863.5133322622.

The spelling of 6471389093 in words is "six billion, four hundred seventy-one million, three hundred eighty-nine thousand, ninety-three".