285409303069 has 16 divisors (see below), whose sum is σ = 318227152896. Its totient is φ = 253794265200.

The previous prime is 285409303031. The next prime is 285409303087. The reversal of 285409303069 is 960303904582.

It is a cyclic number.

It is not a de Polignac number, because 285409303069 - 2¹⁵ = 285409270301 is a prime.

It is a super-2 number, since 2×285409303069² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (285409303009) 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, 1339557 + ... + 1537930.

It is an arithmetic number, because the mean of its divisors is an integer number (19889197056).

Almost surely, 2^285409303069 is an apocalyptic number.

It is an amenable number.

285409303069 is a deficient number, since it is larger than the sum of its proper divisors (32817849827).

285409303069 is a wasteful number, since it uses less digits than its factorization.

285409303069 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2877696.

The product of its (nonzero) digits is 1399680, while the sum is 49.

The spelling of 285409303069 in words is "two hundred eighty-five billion, four hundred nine million, three hundred three thousand, sixty-nine".