493474085816 has 8 divisors (see below), whose sum is σ = 925263910920. Its totient is φ = 246737042904.

The previous prime is 493474085813. The next prime is 493474085837. The reversal of 493474085816 is 618580474394.

It is a tau number, because it is divible by the number of its divisors (8).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (493474085813) 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 as a sum of consecutive naturals, namely, 30842130356 + ... + 30842130371.

It is an arithmetic number, because the mean of its divisors is an integer number (115657988865).

Almost surely, 2^493474085816 is an apocalyptic number.

It is an amenable number.

493474085816 is a deficient number, since it is larger than the sum of its proper divisors (431789825104).

493474085816 is a wasteful number, since it uses less digits than its factorization.

493474085816 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 61684260733 (or 61684260729 counting only the distinct ones).

The product of its (nonzero) digits is 23224320, while the sum is 59.

The spelling of 493474085816 in words is "four hundred ninety-three billion, four hundred seventy-four million, eighty-five thousand, eight hundred sixteen".