4988118893 has 4 divisors (see below), whose sum is σ = 4988277408. Its totient is φ = 4987960380.

The previous prime is 4988118881. The next prime is 4988118913. The reversal of 4988118893 is 3988118894.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-4988118893 is a prime.

It is a super-3 number, since 3×4988118893³ (a number of 30 digits) contains 333 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4988118803) 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, 14321 + ... + 100902.

It is an arithmetic number, because the mean of its divisors is an integer number (1247069352).

Almost surely, 2^4988118893 is an apocalyptic number.

It is an amenable number.

4988118893 is a deficient number, since it is larger than the sum of its proper divisors (158515).

4988118893 is a wasteful number, since it uses less digits than its factorization.

4988118893 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 158514.

The product of its digits is 3981312, while the sum is 59.

The square root of 4988118893 is about 70626.6160381481. The cubic root of 4988118893 is about 1708.6204453060.

Subtracting from 4988118893 its reverse (3988118894), we obtain a palindrome (999999999).

The spelling of 4988118893 in words is "four billion, nine hundred eighty-eight million, one hundred eighteen thousand, eight hundred ninety-three".