494260466089 has 4 divisors (see below), whose sum is σ = 532280501956. Its totient is φ = 456240430224.

The previous prime is 494260466069. The next prime is 494260466099. The reversal of 494260466089 is 980664062494.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 277588835689 + 216671630400 = 526867^2 + 465480^2 .

It is a cyclic number.

It is not a de Polignac number, because 494260466089 - 2⁷ = 494260465961 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (494260466069) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 19010017914 + ... + 19010017939.

It is an arithmetic number, because the mean of its divisors is an integer number (133070125489).

Almost surely, 2^494260466089 is an apocalyptic number.

It is an amenable number.

494260466089 is a deficient number, since it is larger than the sum of its proper divisors (38020035867).

494260466089 is a wasteful number, since it uses less digits than its factorization.

494260466089 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38020035866.

The product of its (nonzero) digits is 17915904, while the sum is 58.

The spelling of 494260466089 in words is "four hundred ninety-four billion, two hundred sixty million, four hundred sixty-six thousand, eighty-nine".