14126398221 has 32 divisors (see below), whose sum is σ = 21250639872. Its totient is φ = 8281944000.

The previous prime is 14126398211. The next prime is 14126398241. The reversal of 14126398221 is 12289362141.

It is not a de Polignac number, because 14126398221 - 2⁶ = 14126398157 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a self number, because there is not a number n which added to its sum of digits gives 14126398221.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (14126398211) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 193776 + ... + 256518.

It is an arithmetic number, because the mean of its divisors is an integer number (664082496).

Almost surely, 2^14126398221 is an apocalyptic number.

It is an amenable number.

14126398221 is a deficient number, since it is larger than the sum of its proper divisors (7124241651).

14126398221 is a wasteful number, since it uses less digits than its factorization.

14126398221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 63033.

The product of its digits is 41472, while the sum is 39.

The spelling of 14126398221 in words is "fourteen billion, one hundred twenty-six million, three hundred ninety-eight thousand, two hundred twenty-one".