494943204485 has 4 divisors (see below), whose sum is σ = 593931845388. Its totient is φ = 395954563584.

The previous prime is 494943204463. The next prime is 494943204529. The reversal of 494943204485 is 584402349494.

It is a Cunningham number, because it is equal to 703522²+1.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 584402349494 = 2 ⋅292201174747.

It can be written as a sum of positive squares in 2 ways, for example, as 178180228996 + 316762975489 = 422114^2 + 562817^2 .

It is a cyclic number.

It is not a de Polignac number, because 494943204485 - 2²⁴ = 494926427269 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 494943204485.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 49494320444 + ... + 49494320453.

It is an arithmetic number, because the mean of its divisors is an integer number (148482961347).

Almost surely, 2^494943204485 is an apocalyptic number.

It is an amenable number.

494943204485 is a deficient number, since it is larger than the sum of its proper divisors (98988640903).

494943204485 is an equidigital number, since it uses as much as digits as its factorization.

494943204485 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 98988640902.

The product of its (nonzero) digits is 19906560, while the sum is 56.

The spelling of 494943204485 in words is "four hundred ninety-four billion, nine hundred forty-three million, two hundred four thousand, four hundred eighty-five".