14386773918 has 48 divisors (see below), whose sum is σ = 31659788160. Its totient is φ = 4355126160.

The previous prime is 14386773893. The next prime is 14386773941. The reversal of 14386773918 is 81937768341.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 730071 + ... + 749517.

It is an arithmetic number, because the mean of its divisors is an integer number (659578920).

Almost surely, 2^14386773918 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 14386773918, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (15829894080).

14386773918 is an abundant number, since it is smaller than the sum of its proper divisors (17273014242).

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

14386773918 is a wasteful number, since it uses less digits than its factorization.

14386773918 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20493 (or 20482 counting only the distinct ones).

The product of its digits is 6096384, while the sum is 57.

The spelling of 14386773918 in words is "fourteen billion, three hundred eighty-six million, seven hundred seventy-three thousand, nine hundred eighteen".