494025092821 has 16 divisors (see below), whose sum is σ = 544439674240. Its totient is φ = 445385304000.

The previous prime is 494025092819. The next prime is 494025092833. The reversal of 494025092821 is 128290520494.

It is not a de Polignac number, because 494025092821 - 2¹ = 494025092819 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (494025092801) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10878400 + ... + 10923718.

It is an arithmetic number, because the mean of its divisors is an integer number (34027479640).

Almost surely, 2^494025092821 is an apocalyptic number.

It is an amenable number.

494025092821 is a deficient number, since it is larger than the sum of its proper divisors (50414581419).

494025092821 is a wasteful number, since it uses less digits than its factorization.

494025092821 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 64876.

The product of its (nonzero) digits is 414720, while the sum is 46.

The spelling of 494025092821 in words is "four hundred ninety-four billion, twenty-five million, ninety-two thousand, eight hundred twenty-one".