14147358721 has 4 divisors (see below), whose sum is σ = 14179294512. Its totient is φ = 14115422932.

The previous prime is 14147358703. The next prime is 14147358727. The reversal of 14147358721 is 12785374141.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 12785374141 = 79 ⋅161840179.

It is a cyclic number.

It is not a de Polignac number, because 14147358721 - 2¹⁵ = 14147325953 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (14147358727) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 15967231 + ... + 15968116.

It is an arithmetic number, because the mean of its divisors is an integer number (3544823628).

Almost surely, 2^14147358721 is an apocalyptic number.

It is an amenable number.

14147358721 is a deficient number, since it is larger than the sum of its proper divisors (31935791).

14147358721 is an equidigital number, since it uses as much as digits as its factorization.

14147358721 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31935790.

The product of its digits is 188160, while the sum is 43.

The spelling of 14147358721 in words is "fourteen billion, one hundred forty-seven million, three hundred fifty-eight thousand, seven hundred twenty-one".