14254411445221 has 2 divisors, whose sum is σ = 14254411445222. Its totient is φ = 14254411445220.

The previous prime is 14254411445201. The next prime is 14254411445359. The reversal of 14254411445221 is 12254411445241.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 9424218472321 + 4830192972900 = 3069889^2 + 2197770^2 .

It is a cyclic number.

It is not a de Polignac number, because 14254411445221 - 2⁹ = 14254411444709 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (14254411445201) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7127205722610 + 7127205722611.

It is an arithmetic number, because the mean of its divisors is an integer number (7127205722611).

Almost surely, 2^{14254411445221} is an apocalyptic number.

It is an amenable number.

14254411445221 is a deficient number, since it is larger than the sum of its proper divisors (1).

14254411445221 is an equidigital number, since it uses as much as digits as its factorization.

14254411445221 is an evil number, because the sum of its binary digits is even.

The product of its digits is 204800, while the sum is 40.

The spelling of 14254411445221 in words is "fourteen trillion, two hundred fifty-four billion, four hundred eleven million, four hundred forty-five thousand, two hundred twenty-one".