14991424818 has 16 divisors (see below), whose sum is σ = 30263064480. Its totient is φ = 4950439136.

The previous prime is 14991424769. The next prime is 14991424829. The reversal of 14991424818 is 81842419941.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11674923 + ... + 11676206.

It is an arithmetic number, because the mean of its divisors is an integer number (1891441530).

Almost surely, 2^14991424818 is an apocalyptic number.

14991424818 is an abundant number, since it is smaller than the sum of its proper divisors (15271639662).

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

14991424818 is a wasteful number, since it uses less digits than its factorization.

14991424818 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23351241.

The product of its digits is 663552, while the sum is 51.

The spelling of 14991424818 in words is "fourteen billion, nine hundred ninety-one million, four hundred twenty-four thousand, eight hundred eighteen".