284635291389 has 16 divisors (see below), whose sum is σ = 380346547392. Its totient is φ = 189340892928.

The previous prime is 284635291387. The next prime is 284635291397. The reversal of 284635291389 is 983192536482.

It is not a de Polignac number, because 284635291389 - 2¹ = 284635291387 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (284635291387) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2549589 + ... + 2658885.

It is an arithmetic number, because the mean of its divisors is an integer number (23771659212).

Almost surely, 2^284635291389 is an apocalyptic number.

It is an amenable number.

284635291389 is a deficient number, since it is larger than the sum of its proper divisors (95711256003).

284635291389 is a wasteful number, since it uses less digits than its factorization.

284635291389 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 111196.

The product of its digits is 22394880, while the sum is 60.

The spelling of 284635291389 in words is "two hundred eighty-four billion, six hundred thirty-five million, two hundred ninety-one thousand, three hundred eighty-nine".