450838501049 has 2 divisors, whose sum is σ = 450838501050. Its totient is φ = 450838501048.

The previous prime is 450838501031. The next prime is 450838501117. The reversal of 450838501049 is 940105838054.

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., 312430692025 + 138407809024 = 558955^2 + 372032^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-450838501049 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 450838500994 and 450838501012.

It is not a weakly prime, because it can be changed into another prime (450838501019) 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, 225419250524 + 225419250525.

It is an arithmetic number, because the mean of its divisors is an integer number (225419250525).

Almost surely, 2^450838501049 is an apocalyptic number.

It is an amenable number.

450838501049 is a deficient number, since it is larger than the sum of its proper divisors (1).

450838501049 is an equidigital number, since it uses as much as digits as its factorization.

450838501049 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 691200, while the sum is 47.

The spelling of 450838501049 in words is "four hundred fifty billion, eight hundred thirty-eight million, five hundred one thousand, forty-nine".