5618006858 has 4 divisors (see below), whose sum is σ = 8427010290. Its totient is φ = 2809003428.

The previous prime is 5618006857. The next prime is 5618006861. The reversal of 5618006858 is 8586008165.

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., 4639380769 + 978626089 = 68113^2 + 31283^2 .

It is not an unprimeable number, because it can be changed into a prime (5618006857) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1404501713 + ... + 1404501716.

Almost surely, 2^5618006858 is an apocalyptic number.

5618006858 is a deficient number, since it is larger than the sum of its proper divisors (2809003432).

5618006858 is a wasteful number, since it uses less digits than its factorization.

5618006858 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2809003431.

The product of its (nonzero) digits is 460800, while the sum is 47.

The square root of 5618006858 is about 74953.3645542347. The cubic root of 5618006858 is about 1777.7093433556.

The spelling of 5618006858 in words is "five billion, six hundred eighteen million, six thousand, eight hundred fifty-eight".