450490829 has 2 divisors, whose sum is σ = 450490830. Its totient is φ = 450490828.

The previous prime is 450490823. The next prime is 450490847. The reversal of 450490829 is 928094054.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 364428100 + 86062729 = 19090^2 + 9277^2 .

It is a cyclic number.

It is not a de Polignac number, because 450490829 - 2²⁴ = 433713613 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (450490823) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 225245414 + 225245415.

It is an arithmetic number, because the mean of its divisors is an integer number (225245415).

Almost surely, 2^450490829 is an apocalyptic number.

It is an amenable number.

450490829 is a deficient number, since it is larger than the sum of its proper divisors (1).

450490829 is an equidigital number, since it uses as much as digits as its factorization.

450490829 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 103680, while the sum is 41.

The square root of 450490829 is about 21224.7692331389. The cubic root of 450490829 is about 766.5879436707.

The spelling of 450490829 in words is "four hundred fifty million, four hundred ninety thousand, eight hundred twenty-nine".