285194494817 has 8 divisors (see below), whose sum is σ = 291563920416. Its totient is φ = 278887210272.

The previous prime is 285194494813. The next prime is 285194494843. The reversal of 285194494817 is 718494491582.

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

It is a cyclic number.

It is not a de Polignac number, because 285194494817 - 2² = 285194494813 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 285194494817.

It is not an unprimeable number, because it can be changed into a prime (285194494813) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15525983 + ... + 15544340.

It is an arithmetic number, because the mean of its divisors is an integer number (36445490052).

Almost surely, 2^285194494817 is an apocalyptic number.

It is an amenable number.

285194494817 is a deficient number, since it is larger than the sum of its proper divisors (6369425599).

285194494817 is a wasteful number, since it uses less digits than its factorization.

285194494817 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31070527.

The product of its digits is 23224320, while the sum is 62.

The spelling of 285194494817 in words is "two hundred eighty-five billion, one hundred ninety-four million, four hundred ninety-four thousand, eight hundred seventeen".