14343778534 has 4 divisors (see below), whose sum is σ = 21515667804. Its totient is φ = 7171889266.

The previous prime is 14343778529. The next prime is 14343778597. The reversal of 14343778534 is 43587734341.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 3585944632 + ... + 3585944635.

It is an arithmetic number, because the mean of its divisors is an integer number (5378916951).

Almost surely, 2^14343778534 is an apocalyptic number.

14343778534 is a deficient number, since it is larger than the sum of its proper divisors (7171889270).

14343778534 is an equidigital number, since it uses as much as digits as its factorization.

14343778534 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7171889269.

The product of its digits is 3386880, while the sum is 49.

The spelling of 14343778534 in words is "fourteen billion, three hundred forty-three million, seven hundred seventy-eight thousand, five hundred thirty-four".