494902649558 has 16 divisors (see below), whose sum is σ = 743750295264. Its totient is φ = 246986160960.

The previous prime is 494902649543. The next prime is 494902649567. The reversal of 494902649558 is 855946209494.

It is a junction number, because it is equal to n+sod(n) for n = 494902649494 and 494902649503.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3603791 + ... + 3738597.

It is an arithmetic number, because the mean of its divisors is an integer number (46484393454).

Almost surely, 2^494902649558 is an apocalyptic number.

494902649558 is a deficient number, since it is larger than the sum of its proper divisors (248847645706).

494902649558 is a wasteful number, since it uses less digits than its factorization.

494902649558 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 138247.

The product of its (nonzero) digits is 111974400, while the sum is 65.

The spelling of 494902649558 in words is "four hundred ninety-four billion, nine hundred two million, six hundred forty-nine thousand, five hundred fifty-eight".