641791723482 has 192 divisors, whose sum is σ = 1773209518080. Its totient is φ = 163195689600.

The previous prime is 641791723481. The next prime is 641791723501. The reversal of 641791723482 is 284327197146.

641791723482 is a `hidden beast` number, since 6 + 4 + 1 + 7 + 91 + 72 + 3 + 482 = 666.

It is not an unprimeable number, because it can be changed into a prime (641791723481) 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, 13737519 + ... + 13784157.

It is an arithmetic number, because the mean of its divisors is an integer number (9235466240).

Almost surely, 2^641791723482 is an apocalyptic number.

641791723482 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 641791723482, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (886604759040).

641791723482 is an abundant number, since it is smaller than the sum of its proper divisors (1131417794598).

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

641791723482 is a wasteful number, since it uses less digits than its factorization.

641791723482 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 46969 (or 46966 counting only the distinct ones).

The product of its digits is 4064256, while the sum is 54.

The spelling of 641791723482 in words is "six hundred forty-one billion, seven hundred ninety-one million, seven hundred twenty-three thousand, four hundred eighty-two".