493144939452 has 192 divisors, whose sum is σ = 1351437373440. Its totient is φ = 139611890880.

The previous prime is 493144939451. The next prime is 493144939453. The reversal of 493144939452 is 254939441394.

It is an interprime number because it is at equal distance from previous prime (493144939451) and next prime (493144939453).

It is a junction number, because it is equal to n+sod(n) for n = 493144939392 and 493144939401.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (493144939451) 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 63 ways as a sum of consecutive naturals, for example, 15780699 + ... + 15811917.

It is an arithmetic number, because the mean of its divisors is an integer number (7038736320).

Almost surely, 2^493144939452 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 493144939452, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (675718686720).

493144939452 is an abundant number, since it is smaller than the sum of its proper divisors (858292433988).

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

493144939452 is a wasteful number, since it uses less digits than its factorization.

493144939452 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31325 (or 31301 counting only the distinct ones).

The product of its digits is 16796160, while the sum is 57.

The spelling of 493144939452 in words is "four hundred ninety-three billion, one hundred forty-four million, nine hundred thirty-nine thousand, four hundred fifty-two".