450750919 has 2 divisors, whose sum is σ = 450750920. Its totient is φ = 450750918.

The previous prime is 450750917. The next prime is 450750929. The reversal of 450750919 is 919057054.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 450750919 - 2¹ = 450750917 is a prime.

It is a super-2 number, since 2×450750919² = 406352781958689122, which contains 22 as substring.

Together with 450750917, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (450750917) 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, 225375459 + 225375460.

It is an arithmetic number, because the mean of its divisors is an integer number (225375460).

Almost surely, 2^450750919 is an apocalyptic number.

450750919 is a deficient number, since it is larger than the sum of its proper divisors (1).

450750919 is an equidigital number, since it uses as much as digits as its factorization.

450750919 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 56700, while the sum is 40.

The square root of 450750919 is about 21230.8953885605. The cubic root of 450750919 is about 766.7354446384.

The spelling of 450750919 in words is "four hundred fifty million, seven hundred fifty thousand, nine hundred nineteen".