14434059891 has 8 divisors (see below), whose sum is σ = 19318590720. Its totient is φ = 9586117832.

The previous prime is 14434059889. The next prime is 14434059923. The reversal of 14434059891 is 19895043441.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 14434059891 - 2¹ = 14434059889 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 14434059891.

It is not an unprimeable number, because it can be changed into a prime (14434059811) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9146271 + ... + 9147848.

It is an arithmetic number, because the mean of its divisors is an integer number (2414823840).

Almost surely, 2^14434059891 is an apocalyptic number.

14434059891 is a deficient number, since it is larger than the sum of its proper divisors (4884530829).

14434059891 is a wasteful number, since it uses less digits than its factorization.

14434059891 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18294385.

The product of its (nonzero) digits is 622080, while the sum is 48.

The spelling of 14434059891 in words is "fourteen billion, four hundred thirty-four million, fifty-nine thousand, eight hundred ninety-one".