14521221064847 has 12 divisors (see below), whose sum is σ = 16892286938856. Its totient is φ = 12446573554800.

The previous prime is 14521221064837. The next prime is 14521221064849. The reversal of 14521221064847 is 74846012212541.

It is not a de Polignac number, because 14521221064847 - 2¹⁸ = 14521220802703 is a prime.

It is a super-2 number, since 2×14521221064847² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (14521221064849) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1108472 + ... + 5501922.

It is an arithmetic number, because the mean of its divisors is an integer number (1407690578238).

Almost surely, 2^{14521221064847} is an apocalyptic number.

14521221064847 is a deficient number, since it is larger than the sum of its proper divisors (2371065874009).

14521221064847 is an equidigital number, since it uses as much as digits as its factorization.

14521221064847 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4460918 (or 4460911 counting only the distinct ones).

The product of its (nonzero) digits is 860160, while the sum is 47.

The spelling of 14521221064847 in words is "fourteen trillion, five hundred twenty-one billion, two hundred twenty-one million, sixty-four thousand, eight hundred forty-seven".