493211351808 has 216 divisors, whose sum is σ = 1696638429360. Its totient is φ = 140917432320.

The previous prime is 493211351807. The next prime is 493211351813. The reversal of 493211351808 is 808153112394.

493211351808 is a `hidden beast` number, since 4 + 9 + 3 + 211 + 351 + 80 + 8 = 666.

It is a tau number, because it is divible by the number of its divisors (216).

It is not an unprimeable number, because it can be changed into a prime (493211351807) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 389433 + ... + 1066808.

Almost surely, 2^493211351808 is an apocalyptic number.

493211351808 is a gapful number since it is divisible by the number (48) formed by its first and last digit.

It is an amenable number.

493211351808 is an abundant number, since it is smaller than the sum of its proper divisors (1203427077552).

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

493211351808 is a wasteful number, since it uses less digits than its factorization.

493211351808 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1456280 (or 1456253 counting only the distinct ones).

The product of its (nonzero) digits is 207360, while the sum is 45.

The spelling of 493211351808 in words is "four hundred ninety-three billion, two hundred eleven million, three hundred fifty-one thousand, eight hundred eight".