284872053849 has 4 divisors (see below), whose sum is σ = 379829405136. Its totient is φ = 189914702564.

The previous prime is 284872053847. The next prime is 284872053853. The reversal of 284872053849 is 948350278482.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 284872053849 - 2¹ = 284872053847 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 284872053792 and 284872053801.

It is not an unprimeable number, because it can be changed into a prime (284872053847) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 47478675639 + ... + 47478675644.

It is an arithmetic number, because the mean of its divisors is an integer number (94957351284).

Almost surely, 2^284872053849 is an apocalyptic number.

It is an amenable number.

284872053849 is a deficient number, since it is larger than the sum of its proper divisors (94957351287).

284872053849 is an equidigital number, since it uses as much as digits as its factorization.

284872053849 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 94957351286.

The product of its (nonzero) digits is 30965760, while the sum is 60.

The spelling of 284872053849 in words is "two hundred eighty-four billion, eight hundred seventy-two million, fifty-three thousand, eight hundred forty-nine".