284360138459 has 4 divisors (see below), whose sum is σ = 284821014504. Its totient is φ = 283899262416.

The previous prime is 284360138441. The next prime is 284360138471. The reversal of 284360138459 is 954831063482.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-284360138459 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 284360138459.

It is not an unprimeable number, because it can be changed into a prime (284360168459) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 230437097 + ... + 230438330.

It is an arithmetic number, because the mean of its divisors is an integer number (71205253626).

Almost surely, 2^284360138459 is an apocalyptic number.

284360138459 is a deficient number, since it is larger than the sum of its proper divisors (460876045).

284360138459 is an equidigital number, since it uses as much as digits as its factorization.

284360138459 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 460876044.

The product of its (nonzero) digits is 4976640, while the sum is 53.

The spelling of 284360138459 in words is "two hundred eighty-four billion, three hundred sixty million, one hundred thirty-eight thousand, four hundred fifty-nine".