14409225521 has 2 divisors, whose sum is σ = 14409225522. Its totient is φ = 14409225520.

The previous prime is 14409225469. The next prime is 14409225559. The reversal of 14409225521 is 12552290441.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 14212216225 + 197009296 = 119215^2 + 14036^2 .

It is a cyclic number.

It is not a de Polignac number, because 14409225521 - 2²² = 14405031217 is a prime.

It is a super-4 number, since 4×14409225521⁴ (a number of 42 digits) contains 4444 as substring.

It is not a weakly prime, because it can be changed into another prime (14409225581) 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, 7204612760 + 7204612761.

It is an arithmetic number, because the mean of its divisors is an integer number (7204612761).

Almost surely, 2^14409225521 is an apocalyptic number.

It is an amenable number.

14409225521 is a deficient number, since it is larger than the sum of its proper divisors (1).

14409225521 is an equidigital number, since it uses as much as digits as its factorization.

14409225521 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 28800, while the sum is 35.

The spelling of 14409225521 in words is "fourteen billion, four hundred nine million, two hundred twenty-five thousand, five hundred twenty-one".