450074839 has 2 divisors, whose sum is σ = 450074840. Its totient is φ = 450074838.

The previous prime is 450074797. The next prime is 450074861. The reversal of 450074839 is 938470054.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 450074839 - 2¹⁹ = 449550551 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (450074899) 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, 225037419 + 225037420.

It is an arithmetic number, because the mean of its divisors is an integer number (225037420).

Almost surely, 2^450074839 is an apocalyptic number.

450074839 is a deficient number, since it is larger than the sum of its proper divisors (1).

450074839 is an equidigital number, since it uses as much as digits as its factorization.

450074839 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 120960, while the sum is 40.

The square root of 450074839 is about 21214.9673344080. The cubic root of 450074839 is about 766.3519113955.

The spelling of 450074839 in words is "four hundred fifty million, seventy-four thousand, eight hundred thirty-nine".