450656443 has 2 divisors, whose sum is σ = 450656444. Its totient is φ = 450656442.

The previous prime is 450656429. The next prime is 450656489. The reversal of 450656443 is 344656054.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 450656443 - 2¹⁷ = 450525371 is a prime.

It is not a weakly prime, because it can be changed into another prime (450656413) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 225328221 + 225328222.

It is an arithmetic number, because the mean of its divisors is an integer number (225328222).

Almost surely, 2^450656443 is an apocalyptic number.

450656443 is a deficient number, since it is larger than the sum of its proper divisors (1).

450656443 is an equidigital number, since it uses as much as digits as its factorization.

450656443 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 172800, while the sum is 37.

The square root of 450656443 is about 21228.6703069222. The cubic root of 450656443 is about 766.6818724352.

The spelling of 450656443 in words is "four hundred fifty million, six hundred fifty-six thousand, four hundred forty-three".