450000029 has 2 divisors, whose sum is σ = 450000030. Its totient is φ = 450000028.

The previous prime is 450000017. The next prime is 450000071. The reversal of 450000029 is 920000054.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 446476900 + 3523129 = 21130^2 + 1877^2 .

It is a cyclic number.

It is not a de Polignac number, because 450000029 - 2²⁴ = 433222813 is a prime.

It is a super-2 number, since 2×450000029² = 405000052200001682, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (450020029) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 225000014 + 225000015.

It is an arithmetic number, because the mean of its divisors is an integer number (225000015).

Almost surely, 2^450000029 is an apocalyptic number.

It is an amenable number.

450000029 is a deficient number, since it is larger than the sum of its proper divisors (1).

450000029 is an equidigital number, since it uses as much as digits as its factorization.

450000029 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 360, while the sum is 20.

The square root of 450000029 is about 21213.2041191330. The cubic root of 450000029 is about 766.3094488550.

The spelling of 450000029 in words is "four hundred fifty million, twenty-nine", and thus it is an aban number.