14291818506 has 96 divisors (see below), whose sum is σ = 37372832640. Its totient is φ = 3855900672.

The previous prime is 14291818501. The next prime is 14291818523. The reversal of 14291818506 is 60581819241.

It is a happy number.

14291818506 is a `hidden beast` number, since 1 + 42 + 91 + 8 + 18 + 506 = 666.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (14291818501) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 739786 + ... + 758858.

It is an arithmetic number, because the mean of its divisors is an integer number (389300340).

Almost surely, 2^14291818506 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 14291818506, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (18686416320).

14291818506 is an abundant number, since it is smaller than the sum of its proper divisors (23081014134).

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

14291818506 is a wasteful number, since it uses less digits than its factorization.

14291818506 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19420 (or 19417 counting only the distinct ones).

The product of its (nonzero) digits is 138240, while the sum is 45.

The spelling of 14291818506 in words is "fourteen billion, two hundred ninety-one million, eight hundred eighteen thousand, five hundred six".