14387381946 has 32 divisors (see below), whose sum is σ = 36539383680. Its totient is φ = 4110680448.

The previous prime is 14387381887. The next prime is 14387381947. The reversal of 14387381946 is 64918378341.

14387381946 is a `hidden beast` number, since 143 + 87 + 381 + 9 + 46 = 666.

14387381946 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a junction number, because it is equal to n+sod(n) for n = 14387381892 and 14387381901.

It is not an unprimeable number, because it can be changed into a prime (14387381947) by changing a digit.

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 in 15 ways as a sum of consecutive naturals, for example, 19030551 + ... + 19031306.

It is an arithmetic number, because the mean of its divisors is an integer number (1141855740).

Almost surely, 2^14387381946 is an apocalyptic number.

14387381946 is an abundant number, since it is smaller than the sum of its proper divisors (22152001734).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

14387381946 is a wasteful number, since it uses less digits than its factorization.

14387381946 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38061875 (or 38061869 counting only the distinct ones).

The product of its digits is 3483648, while the sum is 54.

The spelling of 14387381946 in words is "fourteen billion, three hundred eighty-seven million, three hundred eighty-one thousand, nine hundred forty-six".