6525980984838 has 32 divisors (see below), whose sum is σ = 15053376856320. Its totient is φ = 1847459884320.

The previous prime is 6525980984833. The next prime is 6525980984849. The reversal of 6525980984838 is 8384890895256.

It is a self number, because there is not a number n which added to its sum of digits gives 6525980984838.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6525980984833) 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, 712750008 + ... + 712759163.

It is an arithmetic number, because the mean of its divisors is an integer number (470418026760).

Almost surely, 2^{6525980984838} is an apocalyptic number.

6525980984838 is an abundant number, since it is smaller than the sum of its proper divisors (8527395871482).

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

6525980984838 is a wasteful number, since it uses less digits than its factorization.

6525980984838 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1425509292.

The product of its (nonzero) digits is 1194393600, while the sum is 75.

The spelling of 6525980984838 in words is "six trillion, five hundred twenty-five billion, nine hundred eighty million, nine hundred eighty-four thousand, eight hundred thirty-eight".