450969481 has 2 divisors, whose sum is σ = 450969482. Its totient is φ = 450969480.

The previous prime is 450969479. The next prime is 450969539. The reversal of 450969481 is 184969054.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 415507456 + 35462025 = 20384^2 + 5955^2 .

It is a cyclic number.

It is not a de Polignac number, because 450969481 - 2¹ = 450969479 is a prime.

It is a super-2 number, since 2×450969481² = 406746945586818722, which contains 22 as substring.

Together with 450969479, 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 (450969451) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 225484740 + 225484741.

It is an arithmetic number, because the mean of its divisors is an integer number (225484741).

Almost surely, 2^450969481 is an apocalyptic number.

It is an amenable number.

450969481 is a deficient number, since it is larger than the sum of its proper divisors (1).

450969481 is an equidigital number, since it uses as much as digits as its factorization.

450969481 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 311040, while the sum is 46.

The square root of 450969481 is about 21236.0420276472. The cubic root of 450969481 is about 766.8593505821.

The spelling of 450969481 in words is "four hundred fifty million, nine hundred sixty-nine thousand, four hundred eighty-one".