1814023216389 has 16 divisors (see below), whose sum is σ = 2485230561728. Its totient is φ = 1176112939392.

The previous prime is 1814023216381. The next prime is 1814023216399. The reversal of 1814023216389 is 9836123204181.

It is not a de Polignac number, because 1814023216389 - 2³ = 1814023216381 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1814023216381) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3586507 + ... + 4060920.

It is an arithmetic number, because the mean of its divisors is an integer number (155326910108).

Almost surely, 2^{1814023216389} is an apocalyptic number.

It is an amenable number.

1814023216389 is a deficient number, since it is larger than the sum of its proper divisors (671207345339).

1814023216389 is a wasteful number, since it uses less digits than its factorization.

1814023216389 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7649604.

The product of its (nonzero) digits is 497664, while the sum is 48.

The spelling of 1814023216389 in words is "one trillion, eight hundred fourteen billion, twenty-three million, two hundred sixteen thousand, three hundred eighty-nine".