494833656089 has 16 divisors (see below), whose sum is σ = 520309491216. Its totient is φ = 470110003200.

The previous prime is 494833656073. The next prime is 494833656137. The reversal of 494833656089 is 980656338494.

It can be written as a sum of positive squares in 8 ways, for example, as 81213600400 + 413620055689 = 284980^2 + 643133^2 .

It is a cyclic number.

It is not a de Polignac number, because 494833656089 - 2⁴ = 494833656073 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (494833656019) 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, 490952 + ... + 1109369.

It is an arithmetic number, because the mean of its divisors is an integer number (32519343201).

Almost surely, 2^494833656089 is an apocalyptic number.

It is an amenable number.

494833656089 is a deficient number, since it is larger than the sum of its proper divisors (25475835127).

494833656089 is a wasteful number, since it uses less digits than its factorization.

494833656089 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1600556.

The product of its (nonzero) digits is 134369280, while the sum is 65.

The spelling of 494833656089 in words is "four hundred ninety-four billion, eight hundred thirty-three million, six hundred fifty-six thousand, eighty-nine".