5618419678 has 4 divisors (see below), whose sum is σ = 8427629520. Its totient is φ = 2809209838.

The previous prime is 5618419673. The next prime is 5618419693. The reversal of 5618419678 is 8769148165.

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

It is a super-3 number, since 3×5618419678³ (a number of 30 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5618419673) 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 as a sum of consecutive naturals, namely, 1404604918 + ... + 1404604921.

It is an arithmetic number, because the mean of its divisors is an integer number (2106907380).

Almost surely, 2^5618419678 is an apocalyptic number.

5618419678 is a deficient number, since it is larger than the sum of its proper divisors (2809209842).

5618419678 is a wasteful number, since it uses less digits than its factorization.

5618419678 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2809209841.

The product of its digits is 2903040, while the sum is 55.

The square root of 5618419678 is about 74956.1183493382. The cubic root of 5618419678 is about 1777.7528852507.

The spelling of 5618419678 in words is "five billion, six hundred eighteen million, four hundred nineteen thousand, six hundred seventy-eight".