450427557329 has 2 divisors, whose sum is σ = 450427557330. Its totient is φ = 450427557328.

The previous prime is 450427557319. The next prime is 450427557331. The reversal of 450427557329 is 923755724054.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 270462403600 + 179965153729 = 520060^2 + 424223^2 .

It is a cyclic number.

It is not a de Polignac number, because 450427557329 - 2²⁸ = 450159121873 is a prime.

It is a super-2 number, since 2×450427557329² (a number of 24 digits) contains 22 as substring.

Together with 450427557331, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (450427557319) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 225213778664 + 225213778665.

It is an arithmetic number, because the mean of its divisors is an integer number (225213778665).

Almost surely, 2^450427557329 is an apocalyptic number.

It is an amenable number.

450427557329 is a deficient number, since it is larger than the sum of its proper divisors (1).

450427557329 is an equidigital number, since it uses as much as digits as its factorization.

450427557329 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 10584000, while the sum is 53.

The spelling of 450427557329 in words is "four hundred fifty billion, four hundred twenty-seven million, five hundred fifty-seven thousand, three hundred twenty-nine".