494961920873 has 16 divisors (see below), whose sum is σ = 566665766784. Its totient is φ = 423507235200.

The previous prime is 494961920821. The next prime is 494961920903. The reversal of 494961920873 is 378029169494.

It is not a de Polignac number, because 494961920873 - 2¹⁰ = 494961919849 is a prime.

It is a super-2 number, since 2×494961920873² (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 (494961920473) 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, 16408661 + ... + 16438797.

It is an arithmetic number, because the mean of its divisors is an integer number (35416610424).

Almost surely, 2^494961920873 is an apocalyptic number.

It is an amenable number.

494961920873 is a deficient number, since it is larger than the sum of its proper divisors (71703845911).

494961920873 is a wasteful number, since it uses less digits than its factorization.

494961920873 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34192.

The product of its (nonzero) digits is 23514624, while the sum is 62.

The spelling of 494961920873 in words is "four hundred ninety-four billion, nine hundred sixty-one million, nine hundred twenty thousand, eight hundred seventy-three".