228764563459 has 32 divisors (see below), whose sum is σ = 251188439040. Its totient is φ = 207482496000.

The previous prime is 228764563453. The next prime is 228764563463. The reversal of 228764563459 is 954365467822.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 228764563459 - 2³ = 228764563451 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 228764563397 and 228764563406.

It is not an unprimeable number, because it can be changed into a prime (228764563451) 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 31 ways as a sum of consecutive naturals, for example, 18833142 + ... + 18845284.

It is an arithmetic number, because the mean of its divisors is an integer number (7849638720).

Almost surely, 2^228764563459 is an apocalyptic number.

228764563459 is a deficient number, since it is larger than the sum of its proper divisors (22423875581).

228764563459 is a wasteful number, since it uses less digits than its factorization.

228764563459 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12531.

The product of its digits is 87091200, while the sum is 61.

The spelling of 228764563459 in words is "two hundred twenty-eight billion, seven hundred sixty-four million, five hundred sixty-three thousand, four hundred fifty-nine".