450942949 has 2 divisors, whose sum is σ = 450942950. Its totient is φ = 450942948.

The previous prime is 450942937. The next prime is 450942967. The reversal of 450942949 is 949249054.

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., 442050625 + 8892324 = 21025^2 + 2982^2 .

It is a cyclic number.

It is not a de Polignac number, because 450942949 - 2²³ = 442554341 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 450942899 and 450942908.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (450942929) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 225471474 + 225471475.

It is an arithmetic number, because the mean of its divisors is an integer number (225471475).

Almost surely, 2^450942949 is an apocalyptic number.

It is an amenable number.

450942949 is a deficient number, since it is larger than the sum of its proper divisors (1).

450942949 is an equidigital number, since it uses as much as digits as its factorization.

450942949 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 466560, while the sum is 46.

The square root of 450942949 is about 21235.4173257791. The cubic root of 450942949 is about 766.8443113447.

The spelling of 450942949 in words is "four hundred fifty million, nine hundred forty-two thousand, nine hundred forty-nine".