493881981792 has 192 divisors, whose sum is σ = 1357797095424. Its totient is φ = 157006725120.

The previous prime is 493881981767. The next prime is 493881981797. The reversal of 493881981792 is 297189188394.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (493881981797) 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 31 ways as a sum of consecutive naturals, for example, 62727168 + ... + 62735040.

It is an arithmetic number, because the mean of its divisors is an integer number (7071859872).

Almost surely, 2^493881981792 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 493881981792, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (678898547712).

493881981792 is an abundant number, since it is smaller than the sum of its proper divisors (863915113632).

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

493881981792 is a wasteful number, since it uses less digits than its factorization.

493881981792 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8221 (or 8213 counting only the distinct ones).

The product of its digits is 62705664, while the sum is 69.

The spelling of 493881981792 in words is "four hundred ninety-three billion, eight hundred eighty-one million, nine hundred eighty-one thousand, seven hundred ninety-two".