494555018659 has 16 divisors (see below), whose sum is σ = 545459586112. Its totient is φ = 445616805888.

The previous prime is 494555018641. The next prime is 494555018681. The reversal of 494555018659 is 956810555494.

It is a cyclic number.

It is not a de Polignac number, because 494555018659 - 2⁹ = 494555018147 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 494555018597 and 494555018606.

It is not an unprimeable number, because it can be changed into a prime (494555078659) 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, 2594199 + ... + 2778304.

It is an arithmetic number, because the mean of its divisors is an integer number (34091224132).

Almost surely, 2^494555018659 is an apocalyptic number.

494555018659 is a deficient number, since it is larger than the sum of its proper divisors (50904567453).

494555018659 is a wasteful number, since it uses less digits than its factorization.

494555018659 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5372686.

The product of its (nonzero) digits is 38880000, while the sum is 61.

The spelling of 494555018659 in words is "four hundred ninety-four billion, five hundred fifty-five million, eighteen thousand, six hundred fifty-nine".