493161814325 has 6 divisors (see below), whose sum is σ = 611520649794. Its totient is φ = 394529451440.

The previous prime is 493161814261. The next prime is 493161814339. The reversal of 493161814325 is 523418161394.

It is a happy number.

It can be written as a sum of positive squares in 3 ways, for example, as 367642276 + 492794172049 = 19174^2 + 701993^2 .

It is not a de Polignac number, because 493161814325 - 2⁶ = 493161814261 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 493161814325.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 9863236262 + ... + 9863236311.

It is an arithmetic number, because the mean of its divisors is an integer number (101920108299).

Almost surely, 2^493161814325 is an apocalyptic number.

It is an amenable number.

493161814325 is a deficient number, since it is larger than the sum of its proper divisors (118358835469).

493161814325 is a wasteful number, since it uses less digits than its factorization.

493161814325 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19726472583 (or 19726472578 counting only the distinct ones).

The product of its digits is 622080, while the sum is 47.

The spelling of 493161814325 in words is "four hundred ninety-three billion, one hundred sixty-one million, eight hundred fourteen thousand, three hundred twenty-five".