4569518138 has 4 divisors (see below), whose sum is σ = 6854277210. Its totient is φ = 2284759068.

The previous prime is 4569518071. The next prime is 4569518153. The reversal of 4569518138 is 8318159654.

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

It can be written as a sum of positive squares in only one way, i.e., 3849830209 + 719687929 = 62047^2 + 26827^2 .

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 as a sum of consecutive naturals, namely, 1142379533 + ... + 1142379536.

Almost surely, 2^4569518138 is an apocalyptic number.

4569518138 is a deficient number, since it is larger than the sum of its proper divisors (2284759072).

4569518138 is a wasteful number, since it uses less digits than its factorization.

4569518138 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2284759071.

The product of its digits is 1036800, while the sum is 50.

The square root of 4569518138 is about 67598.2110562107. The cubic root of 4569518138 is about 1659.4218408016.

The spelling of 4569518138 in words is "four billion, five hundred sixty-nine million, five hundred eighteen thousand, one hundred thirty-eight".