285375349899 has 6 divisors (see below), whose sum is σ = 412208838756. Its totient is φ = 190250233260.

The previous prime is 285375349823. The next prime is 285375349901. The reversal of 285375349899 is 998943573582.

285375349899 is a `hidden beast` number, since 2 + 8 + 5 + 3 + 7 + 534 + 9 + 89 + 9 = 666.

It is not a de Polignac number, because 285375349899 - 2¹² = 285375345803 is a prime.

It is not an unprimeable number, because it can be changed into a prime (285375344899) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 15854186097 + ... + 15854186114.

It is an arithmetic number, because the mean of its divisors is an integer number (68701473126).

Almost surely, 2^285375349899 is an apocalyptic number.

285375349899 is a deficient number, since it is larger than the sum of its proper divisors (126833488857).

285375349899 is a wasteful number, since it uses less digits than its factorization.

285375349899 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31708372217 (or 31708372214 counting only the distinct ones).

The product of its digits is 587865600, while the sum is 72.

The spelling of 285375349899 in words is "two hundred eighty-five billion, three hundred seventy-five million, three hundred forty-nine thousand, eight hundred ninety-nine".