6480437698728 has 192 divisors, whose sum is σ = 20834398341120. Its totient is φ = 1848616862400.

The previous prime is 6480437698711. The next prime is 6480437698751. The reversal of 6480437698728 is 8278967340846.

6480437698728 is a `hidden beast` number, since 6 + 4 + 80 + 437 + 6 + 98 + 7 + 28 = 666.

It is a Harshad number since it is a multiple of its sum of digits (72).

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 8209293 + ... + 8964003.

It is an arithmetic number, because the mean of its divisors is an integer number (108512491360).

Almost surely, 2^{6480437698728} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 6480437698728, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (10417199170560).

6480437698728 is an abundant number, since it is smaller than the sum of its proper divisors (14353960642392).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

6480437698728 is a wasteful number, since it uses less digits than its factorization.

6480437698728 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 755370 (or 755354 counting only the distinct ones).

The product of its (nonzero) digits is 780337152, while the sum is 72.

The spelling of 6480437698728 in words is "six trillion, four hundred eighty billion, four hundred thirty-seven million, six hundred ninety-eight thousand, seven hundred twenty-eight".