6459538915 has 8 divisors (see below), whose sum is σ = 7768263888. Its totient is φ = 5156419680.

The previous prime is 6459538901. The next prime is 6459538933. The reversal of 6459538915 is 5198359546.

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

It is not a de Polignac number, because 6459538915 - 2¹³ = 6459530723 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1398897 + ... + 1403506.

It is an arithmetic number, because the mean of its divisors is an integer number (971032986).

Almost surely, 2^6459538915 is an apocalyptic number.

6459538915 is a deficient number, since it is larger than the sum of its proper divisors (1308724973).

6459538915 is a wasteful number, since it uses less digits than its factorization.

6459538915 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2802869.

The product of its digits is 5832000, while the sum is 55.

The square root of 6459538915 is about 80371.2567713110. The cubic root of 6459538915 is about 1862.3751707699.

The spelling of 6459538915 in words is "six billion, four hundred fifty-nine million, five hundred thirty-eight thousand, nine hundred fifteen".