1814448189 has 8 divisors (see below), whose sum is σ = 2419464960. Its totient is φ = 1209531776.

The previous prime is 1814448169. The next prime is 1814448203. The reversal of 1814448189 is 9818444181.

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

It is a cyclic number.

It is not a de Polignac number, because 1814448189 - 2⁵ = 1814448157 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1814448169) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 45364 + ... + 75410.

It is an arithmetic number, because the mean of its divisors is an integer number (302433120).

Almost surely, 2^1814448189 is an apocalyptic number.

It is an amenable number.

1814448189 is a deficient number, since it is larger than the sum of its proper divisors (605016771).

1814448189 is a wasteful number, since it uses less digits than its factorization.

1814448189 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50179.

The product of its digits is 294912, while the sum is 48.

The square root of 1814448189 is about 42596.3400892612. The cubic root of 1814448189 is about 1219.6864259491.

The spelling of 1814448189 in words is "one billion, eight hundred fourteen million, four hundred forty-eight thousand, one hundred eighty-nine".