450939427 has 2 divisors, whose sum is σ = 450939428. Its totient is φ = 450939426.

The previous prime is 450939383. The next prime is 450939439. The reversal of 450939427 is 724939054.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 450939427 - 2¹⁹ = 450415139 is a prime.

It is not a weakly prime, because it can be changed into another prime (450949427) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 225469713 + 225469714.

It is an arithmetic number, because the mean of its divisors is an integer number (225469714).

Almost surely, 2^450939427 is an apocalyptic number.

450939427 is a deficient number, since it is larger than the sum of its proper divisors (1).

450939427 is an equidigital number, since it uses as much as digits as its factorization.

450939427 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 272160, while the sum is 43.

The square root of 450939427 is about 21235.3343981205. The cubic root of 450939427 is about 766.8423149113.

The spelling of 450939427 in words is "four hundred fifty million, nine hundred thirty-nine thousand, four hundred twenty-seven".