284404921802 has 4 divisors (see below), whose sum is σ = 426607382706. Its totient is φ = 142202460900.

The previous prime is 284404921789. The next prime is 284404921837. The reversal of 284404921802 is 208129404482.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 205454599441 + 78950322361 = 453271^2 + 280981^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 71101230449 + ... + 71101230452.

Almost surely, 2^284404921802 is an apocalyptic number.

284404921802 is a deficient number, since it is larger than the sum of its proper divisors (142202460904).

284404921802 is a wasteful number, since it uses less digits than its factorization.

284404921802 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 142202460903.

The product of its (nonzero) digits is 294912, while the sum is 44.

The spelling of 284404921802 in words is "two hundred eighty-four billion, four hundred four million, nine hundred twenty-one thousand, eight hundred two".