494534792881 has 8 divisors (see below), whose sum is σ = 507910382144. Its totient is φ = 481159718640.

The previous prime is 494534792831. The next prime is 494534792893. The reversal of 494534792881 is 188297435494.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 494534792881 - 2⁹ = 494534792369 is a prime.

It is a super-2 number, since 2×494534792881² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (494534792831) 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 7 ways as a sum of consecutive naturals, for example, 2575126 + ... + 2760496.

It is an arithmetic number, because the mean of its divisors is an integer number (63488797768).

Almost surely, 2^494534792881 is an apocalyptic number.

It is an amenable number.

494534792881 is a deficient number, since it is larger than the sum of its proper divisors (13375589263).

494534792881 is a wasteful number, since it uses less digits than its factorization.

494534792881 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 257511.

The product of its digits is 69672960, while the sum is 64.

The spelling of 494534792881 in words is "four hundred ninety-four billion, five hundred thirty-four million, seven hundred ninety-two thousand, eight hundred eighty-one".