14021343728745 has 32 divisors (see below), whose sum is σ = 22919172134400. Its totient is φ = 7318051313664.

The previous prime is 14021343728741. The next prime is 14021343728789. The reversal of 14021343728745 is 54782734312041.

It is a happy number.

It is not a de Polignac number, because 14021343728745 - 2² = 14021343728741 is a prime.

It is not an unprimeable number, because it can be changed into a prime (14021343728741) 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 31 ways as a sum of consecutive naturals, for example, 52221660 + ... + 52489469.

It is an arithmetic number, because the mean of its divisors is an integer number (716224129200).

Almost surely, 2^{14021343728745} is an apocalyptic number.

14021343728745 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

14021343728745 is a deficient number, since it is larger than the sum of its proper divisors (8897828405655).

14021343728745 is a wasteful number, since it uses less digits than its factorization.

14021343728745 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 104711329.

The product of its (nonzero) digits is 4515840, while the sum is 51.

The spelling of 14021343728745 in words is "fourteen trillion, twenty-one billion, three hundred forty-three million, seven hundred twenty-eight thousand, seven hundred forty-five".