14720002536921 has 16 divisors (see below), whose sum is σ = 21411767451648. Its totient is φ = 8920857546000.

The previous prime is 14720002536917. The next prime is 14720002536929. The reversal of 14720002536921 is 12963520002741.

It is a happy number.

14720002536921 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 14720002536921 - 2² = 14720002536917 is a prime.

It is not an unprimeable number, because it can be changed into a prime (14720002536929) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8062405 + ... + 9718146.

It is an arithmetic number, because the mean of its divisors is an integer number (1338235465728).

Almost surely, 2^{14720002536921} is an apocalyptic number.

14720002536921 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

14720002536921 is a deficient number, since it is larger than the sum of its proper divisors (6691764914727).

14720002536921 is a wasteful number, since it uses less digits than its factorization.

14720002536921 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17805652.

The product of its (nonzero) digits is 181440, while the sum is 42.

The spelling of 14720002536921 in words is "fourteen trillion, seven hundred twenty billion, two million, five hundred thirty-six thousand, nine hundred twenty-one".