285693146516 has 6 divisors (see below), whose sum is σ = 499963006410. Its totient is φ = 142846573256.

The previous prime is 285693146489. The next prime is 285693146521. The reversal of 285693146516 is 615641396582.

It can be written as a sum of positive squares in only one way, i.e., 236151290116 + 49541856400 = 485954^2 + 222580^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 35711643311 + ... + 35711643318.

It is an arithmetic number, because the mean of its divisors is an integer number (83327167735).

Almost surely, 2^285693146516 is an apocalyptic number.

It is an amenable number.

285693146516 is a deficient number, since it is larger than the sum of its proper divisors (214269859894).

285693146516 is a wasteful number, since it uses less digits than its factorization.

285693146516 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 71423286633 (or 71423286631 counting only the distinct ones).

The product of its digits is 9331200, while the sum is 56.

The spelling of 285693146516 in words is "two hundred eighty-five billion, six hundred ninety-three million, one hundred forty-six thousand, five hundred sixteen".