14431987051 has 4 divisors (see below), whose sum is σ = 14437297600. Its totient is φ = 14426676504.

The previous prime is 14431987043. The next prime is 14431987081. The reversal of 14431987051 is 15078913441.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 15078913441 = 10139 ⋅1487219.

It is a cyclic number.

It is not a de Polignac number, because 14431987051 - 2³ = 14431987043 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 14431986989 and 14431987007.

It is not an unprimeable number, because it can be changed into a prime (14431987001) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2651196 + ... + 2656633.

It is an arithmetic number, because the mean of its divisors is an integer number (3609324400).

Almost surely, 2^14431987051 is an apocalyptic number.

14431987051 is a deficient number, since it is larger than the sum of its proper divisors (5310549).

14431987051 is an equidigital number, since it uses as much as digits as its factorization.

14431987051 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5310548.

The product of its (nonzero) digits is 120960, while the sum is 43.

The spelling of 14431987051 in words is "fourteen billion, four hundred thirty-one million, nine hundred eighty-seven thousand, fifty-one".