14021205449 has 2 divisors, whose sum is σ = 14021205450. Its totient is φ = 14021205448.

The previous prime is 14021205433. The next prime is 14021205533. The reversal of 14021205449 is 94450212041.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 9224257849 + 4796947600 = 96043^2 + 69260^2 .

It is a cyclic number.

It is not a de Polignac number, because 14021205449 - 2⁴ = 14021205433 is a prime.

It is not a weakly prime, because it can be changed into another prime (14021207449) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7010602724 + 7010602725.

It is an arithmetic number, because the mean of its divisors is an integer number (7010602725).

Almost surely, 2^14021205449 is an apocalyptic number.

It is an amenable number.

14021205449 is a deficient number, since it is larger than the sum of its proper divisors (1).

14021205449 is an equidigital number, since it uses as much as digits as its factorization.

14021205449 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 11520, while the sum is 32.

The spelling of 14021205449 in words is "fourteen billion, twenty-one million, two hundred five thousand, four hundred forty-nine".