14354531280521 has 2 divisors, whose sum is σ = 14354531280522. Its totient is φ = 14354531280520.

The previous prime is 14354531280503. The next prime is 14354531280527. The reversal of 14354531280521 is 12508213545341.

14354531280521 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., 12553663903225 + 1800867377296 = 3543115^2 + 1341964^2 .

It is a cyclic number.

It is not a de Polignac number, because 14354531280521 - 2⁶ = 14354531280457 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (14354531280527) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7177265640260 + 7177265640261.

It is an arithmetic number, because the mean of its divisors is an integer number (7177265640261).

Almost surely, 2^{14354531280521} is an apocalyptic number.

It is an amenable number.

14354531280521 is a deficient number, since it is larger than the sum of its proper divisors (1).

14354531280521 is an equidigital number, since it uses as much as digits as its factorization.

14354531280521 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 576000, while the sum is 44.

The spelling of 14354531280521 in words is "fourteen trillion, three hundred fifty-four billion, five hundred thirty-one million, two hundred eighty thousand, five hundred twenty-one".