6480147839 has 16 divisors (see below), whose sum is σ = 7532800416. Its totient is φ = 5509171200.

The previous prime is 6480147781. The next prime is 6480147841. The reversal of 6480147839 is 9387410846.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-6480147839 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6480146839) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 81002 + ... + 139719.

It is an arithmetic number, because the mean of its divisors is an integer number (470800026).

Almost surely, 2^6480147839 is an apocalyptic number.

6480147839 is a deficient number, since it is larger than the sum of its proper divisors (1052652577).

6480147839 is a wasteful number, since it uses less digits than its factorization.

6480147839 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 220906.

The product of its (nonzero) digits is 1161216, while the sum is 50.

The square root of 6480147839 is about 80499.3654571264. The cubic root of 6480147839 is about 1864.3536815554.

The spelling of 6480147839 in words is "six billion, four hundred eighty million, one hundred forty-seven thousand, eight hundred thirty-nine".