6541797982842 has 192 divisors, whose sum is σ = 15759178186752. Its totient is φ = 1954221984000.

The previous prime is 6541797982789. The next prime is 6541797982847. The reversal of 6541797982842 is 2482897971456.

It is a happy number.

6541797982842 is a `hidden beast` number, since 6 + 5 + 417 + 97 + 9 + 82 + 8 + 42 = 666.

It is not an unprimeable number, because it can be changed into a prime (6541797982847) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 68883963 + ... + 68978865.

It is an arithmetic number, because the mean of its divisors is an integer number (82079053056).

Almost surely, 2^{6541797982842} is an apocalyptic number.

6541797982842 is a gapful number since it is divisible by the number (62) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 6541797982842, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (7879589093376).

6541797982842 is an abundant number, since it is smaller than the sum of its proper divisors (9217380203910).

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

6541797982842 is a wasteful number, since it uses less digits than its factorization.

6541797982842 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 95137 (or 95134 counting only the distinct ones).

The product of its digits is 487710720, while the sum is 72.

The spelling of 6541797982842 in words is "six trillion, five hundred forty-one billion, seven hundred ninety-seven million, nine hundred eighty-two thousand, eight hundred forty-two".