14146147021 has 2 divisors, whose sum is σ = 14146147022. Its totient is φ = 14146147020.

The previous prime is 14146147019. The next prime is 14146147073. The reversal of 14146147021 is 12074164141.

14146147021 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 14098950121 + 47196900 = 118739^2 + 6870^2 .

It is a cyclic number.

It is not a de Polignac number, because 14146147021 - 2¹ = 14146147019 is a prime.

It is a super-2 number, since 2×14146147021² (a number of 21 digits) contains 22 as substring.

Together with 14146147019, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (14146147621) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7073073510 + 7073073511.

It is an arithmetic number, because the mean of its divisors is an integer number (7073073511).

Almost surely, 2^14146147021 is an apocalyptic number.

It is an amenable number.

14146147021 is a deficient number, since it is larger than the sum of its proper divisors (1).

14146147021 is an equidigital number, since it uses as much as digits as its factorization.

14146147021 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 5376, while the sum is 31.

The spelling of 14146147021 in words is "fourteen billion, one hundred forty-six million, one hundred forty-seven thousand, twenty-one".