228519134635 has 16 divisors (see below), whose sum is σ = 299454262272. Its totient is φ = 166027989600.

The previous prime is 228519134563. The next prime is 228519134647. The reversal of 228519134635 is 536431915822.

It is a de Polignac number, because none of the positive numbers 2^k-228519134635 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2041809 + ... + 2150818.

It is an arithmetic number, because the mean of its divisors is an integer number (18715891392).

Almost surely, 2^228519134635 is an apocalyptic number.

228519134635 is a deficient number, since it is larger than the sum of its proper divisors (70935127637).

228519134635 is a wasteful number, since it uses less digits than its factorization.

228519134635 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4193634.

The product of its digits is 1555200, while the sum is 49.

The spelling of 228519134635 in words is "two hundred twenty-eight billion, five hundred nineteen million, one hundred thirty-four thousand, six hundred thirty-five".