2119998744 has 80 divisors (see below), whose sum is σ = 5972598720. Its totient is φ = 702544320.

The previous prime is 2119998721. The next prime is 2119998773. The reversal of 2119998744 is 4478999112.

It is a super-3 number, since 3×2119998744³ (a number of 29 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 102649 + ... + 121559.

It is an arithmetic number, because the mean of its divisors is an integer number (74657484).

Almost surely, 2^2119998744 is an apocalyptic number.

2119998744 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2119998744, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2986299360).

2119998744 is an abundant number, since it is smaller than the sum of its proper divisors (3852599976).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2119998744 is a wasteful number, since it uses less digits than its factorization.

2119998744 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19102 (or 19089 counting only the distinct ones).

The product of its digits is 1306368, while the sum is 54.

The square root of 2119998744 is about 46043.4440935949. Note that the first 3 decimals coincide. The cubic root of 2119998744 is about 1284.6314040179.

The spelling of 2119998744 in words is "two billion, one hundred nineteen million, nine hundred ninety-eight thousand, seven hundred forty-four".