12381893389 has 8 divisors (see below), whose sum is σ = 12810240000. Its totient is φ = 11953639152.

The previous prime is 12381893383. The next prime is 12381893401. The reversal of 12381893389 is 98339818321.

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 12381893389 - 2⁵ = 12381893357 is a prime.

It is a super-2 number, since 2×12381893389² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12381893383) 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, 354492 + ... + 387850.

It is an arithmetic number, because the mean of its divisors is an integer number (1601280000).

Almost surely, 2^12381893389 is an apocalyptic number.

It is an amenable number.

12381893389 is a deficient number, since it is larger than the sum of its proper divisors (428346611).

12381893389 is a wasteful number, since it uses less digits than its factorization.

12381893389 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 46187.

The product of its digits is 2239488, while the sum is 55.

The spelling of 12381893389 in words is "twelve billion, three hundred eighty-one million, eight hundred ninety-three thousand, three hundred eighty-nine".