493704721606 has 16 divisors (see below), whose sum is σ = 748250521200. Its totient is φ = 244288281600.

The previous prime is 493704721603. The next prime is 493704721639. The reversal of 493704721606 is 606127407394.

It is a self number, because there is not a number n which added to its sum of digits gives 493704721606.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (493704721603) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2554681 + ... + 2741131.

It is an arithmetic number, because the mean of its divisors is an integer number (46765657575).

Almost surely, 2^493704721606 is an apocalyptic number.

493704721606 is a deficient number, since it is larger than the sum of its proper divisors (254545799594).

493704721606 is a wasteful number, since it uses less digits than its factorization.

493704721606 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 200199.

The product of its (nonzero) digits is 1524096, while the sum is 49.

The spelling of 493704721606 in words is "four hundred ninety-three billion, seven hundred four million, seven hundred twenty-one thousand, six hundred six".