2119388144 has 20 divisors (see below), whose sum is σ = 4107444696. Its totient is φ = 1059402432.

The previous prime is 2119388101. The next prime is 2119388177. The reversal of 2119388144 is 4418839112.

It is a super-2 number, since 2×2119388144² = 8983612209855529472, which contains 22 as substring.

It is a Smith number, since the sum of its digits (41) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 49307 + ... + 81669.

Almost surely, 2^2119388144 is an apocalyptic number.

It is an amenable number.

2119388144 is a deficient number, since it is larger than the sum of its proper divisors (1988056552).

2119388144 is a wasteful number, since it uses less digits than its factorization.

2119388144 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36464 (or 36458 counting only the distinct ones).

The product of its digits is 55296, while the sum is 41.

The square root of 2119388144 is about 46036.8129218346. The cubic root of 2119388144 is about 1284.5080594079.

The spelling of 2119388144 in words is "two billion, one hundred nineteen million, three hundred eighty-eight thousand, one hundred forty-four".