14078377057321 has 2 divisors, whose sum is σ = 14078377057322. Its totient is φ = 14078377057320.

The previous prime is 14078377057271. The next prime is 14078377057343. The reversal of 14078377057321 is 12375077387041.

14078377057321 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 13863975646096 + 214401411225 = 3723436^2 + 463035^2 .

It is a cyclic number.

It is not a de Polignac number, because 14078377057321 - 2²³ = 14078368668713 is a prime.

It is not a weakly prime, because it can be changed into another prime (14078377054321) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7039188528660 + 7039188528661.

It is an arithmetic number, because the mean of its divisors is an integer number (7039188528661).

Almost surely, 2^{14078377057321} is an apocalyptic number.

It is an amenable number.

14078377057321 is a deficient number, since it is larger than the sum of its proper divisors (1).

14078377057321 is an equidigital number, since it uses as much as digits as its factorization.

14078377057321 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 6914880, while the sum is 55.

The spelling of 14078377057321 in words is "fourteen trillion, seventy-eight billion, three hundred seventy-seven million, fifty-seven thousand, three hundred twenty-one".