4581816538059 has 32 divisors (see below), whose sum is σ = 6971724416000. Its totient is φ = 2971822014432.

The previous prime is 4581816538043. The next prime is 4581816538067. The reversal of 4581816538059 is 9508356181854.

4581816538059 is a `hidden beast` number, since 4 + 5 + 81 + 8 + 16 + 538 + 0 + 5 + 9 = 666.

It is not a de Polignac number, because 4581816538059 - 2⁴ = 4581816538043 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 4581816537987 and 4581816538005.

It is not an unprimeable number, because it can be changed into a prime (4581816530059) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 19080462 + ... + 19319100.

It is an arithmetic number, because the mean of its divisors is an integer number (217866388000).

Almost surely, 2^{4581816538059} is an apocalyptic number.

4581816538059 is a deficient number, since it is larger than the sum of its proper divisors (2389907877941).

4581816538059 is a wasteful number, since it uses less digits than its factorization.

4581816538059 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 257904 (or 257898 counting only the distinct ones).

The product of its (nonzero) digits is 41472000, while the sum is 63.

The spelling of 4581816538059 in words is "four trillion, five hundred eighty-one billion, eight hundred sixteen million, five hundred thirty-eight thousand, fifty-nine".