14270329921 has 6 divisors (see below), whose sum is σ = 14917755650. Its totient is φ = 13649880288.

The previous prime is 14270329919. The next prime is 14270329937. The reversal of 14270329921 is 12992307241.

It can be written as a sum of positive squares in only one way, i.e., 12479347521 + 1790982400 = 111711^2 + 42320^2 .

It is not a de Polignac number, because 14270329921 - 2¹ = 14270329919 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (14270329951) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 13487496 + ... + 13488553.

Almost surely, 2^14270329921 is an apocalyptic number.

It is an amenable number.

14270329921 is a deficient number, since it is larger than the sum of its proper divisors (647425729).

14270329921 is an equidigital number, since it uses as much as digits as its factorization.

14270329921 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26976095 (or 26976072 counting only the distinct ones).

The product of its (nonzero) digits is 54432, while the sum is 40.

The spelling of 14270329921 in words is "fourteen billion, two hundred seventy million, three hundred twenty-nine thousand, nine hundred twenty-one".