4549117538 has 32 divisors (see below), whose sum is σ = 8181077760. Its totient is φ = 1855869120.

The previous prime is 4549117523. The next prime is 4549117577. The reversal of 4549117538 is 8357119454.

It is a junction number, because it is equal to n+sod(n) for n = 4549117492 and 4549117501.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 50081 + ... + 107732.

It is an arithmetic number, because the mean of its divisors is an integer number (255658680).

Almost surely, 2^4549117538 is an apocalyptic number.

4549117538 is a deficient number, since it is larger than the sum of its proper divisors (3631960222).

4549117538 is a wasteful number, since it uses less digits than its factorization.

4549117538 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 157922.

The product of its digits is 604800, while the sum is 47.

The square root of 4549117538 is about 67447.1462554199. The cubic root of 4549117538 is about 1656.9486620344.

The spelling of 4549117538 in words is "four billion, five hundred forty-nine million, one hundred seventeen thousand, five hundred thirty-eight".