4821838918 has 8 divisors (see below), whose sum is σ = 7789124448. Its totient is φ = 2225464104.

The previous prime is 4821838913. The next prime is 4821838919. The reversal of 4821838918 is 8198381284.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×4821838918² = 46500261102278821448, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4821838913) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 92727646 + ... + 92727697.

It is an arithmetic number, because the mean of its divisors is an integer number (973640556).

Almost surely, 2^4821838918 is an apocalyptic number.

4821838918 is a deficient number, since it is larger than the sum of its proper divisors (2967285530).

4821838918 is a wasteful number, since it uses less digits than its factorization.

4821838918 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 185455358.

The product of its digits is 884736, while the sum is 52.

The square root of 4821838918 is about 69439.4622531022. The cubic root of 4821838918 is about 1689.4197461753.

The spelling of 4821838918 in words is "four billion, eight hundred twenty-one million, eight hundred thirty-eight thousand, nine hundred eighteen".