494430666783 has 16 divisors (see below), whose sum is σ = 662708382336. Its totient is φ = 327887310240.

The previous prime is 494430666781. The next prime is 494430666833. The reversal of 494430666783 is 387666034494.

It is a happy number.

It is not a de Polignac number, because 494430666783 - 2¹ = 494430666781 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (494430666781) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3285048 + ... + 3432258.

It is an arithmetic number, because the mean of its divisors is an integer number (41419273896).

Almost surely, 2^494430666783 is an apocalyptic number.

494430666783 is a deficient number, since it is larger than the sum of its proper divisors (168277715553).

494430666783 is a wasteful number, since it uses less digits than its factorization.

494430666783 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 153094.

The product of its (nonzero) digits is 62705664, while the sum is 60.

The spelling of 494430666783 in words is "four hundred ninety-four billion, four hundred thirty million, six hundred sixty-six thousand, seven hundred eighty-three".