493758857394 has 72 divisors (see below), whose sum is σ = 1179113819520. Its totient is φ = 149215960080.

The previous prime is 493758857393. The next prime is 493758857399.

493758857394 is a `hidden beast` number, since 4 + 9 + 3 + 7 + 588 + 5 + 7 + 39 + 4 = 666.

493758857394 is nontrivially palindromic in base 10.

It is not an unprimeable number, because it can be changed into a prime (493758857393) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 490467 + ... + 1108185.

Almost surely, 2^493758857394 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 493758857394, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (589556909760).

493758857394 is an abundant number, since it is smaller than the sum of its proper divisors (685354962126).

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

493758857394 is a wasteful number, since it uses less digits than its factorization.

493758857394 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 618116 (or 618102 counting only the distinct ones).

The product of its digits is 914457600, while the sum is 72.

The spelling of 493758857394 in words is "four hundred ninety-three billion, seven hundred fifty-eight million, eight hundred fifty-seven thousand, three hundred ninety-four".