493749267156 has 72 divisors (see below), whose sum is σ = 1283785778184. Its totient is φ = 159889386240.

The previous prime is 493749267079. The next prime is 493749267181. The reversal of 493749267156 is 651762947394.

493749267156 is a `hidden beast` number, since 4 + 9 + 37 + 492 + 67 + 1 + 56 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 55460250000 + 438289017156 = 235500^2 + 662034^2 .

It is a junction number, because it is equal to n+sod(n) for n = 493749267093 and 493749267102.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 585966 + ... + 1153626.

Almost surely, 2^493749267156 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 493749267156, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (641892889092).

493749267156 is an abundant number, since it is smaller than the sum of its proper divisors (790036511028).

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

493749267156 is a wasteful number, since it uses less digits than its factorization.

493749267156 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 568361 (or 568356 counting only the distinct ones).

The product of its digits is 68584320, while the sum is 63.

The spelling of 493749267156 in words is "four hundred ninety-three billion, seven hundred forty-nine million, two hundred sixty-seven thousand, one hundred fifty-six".