450108389 has 2 divisors, whose sum is σ = 450108390. Its totient is φ = 450108388.

The previous prime is 450108377. The next prime is 450108401. The reversal of 450108389 is 983801054.

It is a balanced prime because it is at equal distance from previous prime (450108377) and next prime (450108401).

It can be written as a sum of positive squares in only one way, i.e., 448804225 + 1304164 = 21185^2 + 1142^2 .

It is a cyclic number.

It is not a de Polignac number, because 450108389 - 2¹² = 450104293 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (450108089) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 225054194 + 225054195.

It is an arithmetic number, because the mean of its divisors is an integer number (225054195).

Almost surely, 2^450108389 is an apocalyptic number.

It is an amenable number.

450108389 is a deficient number, since it is larger than the sum of its proper divisors (1).

450108389 is an equidigital number, since it uses as much as digits as its factorization.

450108389 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 34560, while the sum is 38.

The square root of 450108389 is about 21215.7580350078. The cubic root of 450108389 is about 766.3709530197.

The spelling of 450108389 in words is "four hundred fifty million, one hundred eight thousand, three hundred eighty-nine".