2180144374 has 4 divisors (see below), whose sum is σ = 3270216564. Its totient is φ = 1090072186.

The previous prime is 2180144353. The next prime is 2180144381. The reversal of 2180144374 is 4734410812.

It is a happy number.

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

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 as a sum of consecutive naturals, namely, 545036092 + ... + 545036095.

It is an arithmetic number, because the mean of its divisors is an integer number (817554141).

Almost surely, 2^2180144374 is an apocalyptic number.

2180144374 is a deficient number, since it is larger than the sum of its proper divisors (1090072190).

2180144374 is a wasteful number, since it uses less digits than its factorization.

2180144374 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1090072189.

The product of its (nonzero) digits is 21504, while the sum is 34.

The square root of 2180144374 is about 46692.0161697907. The cubic root of 2180144374 is about 1296.6668803257. Note that the first 3 decimals are identical.

The spelling of 2180144374 in words is "two billion, one hundred eighty million, one hundred forty-four thousand, three hundred seventy-four".