1450644563 has 2 divisors, whose sum is σ = 1450644564. Its totient is φ = 1450644562.

The previous prime is 1450644499. The next prime is 1450644581. The reversal of 1450644563 is 3654460541.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1450644563 - 2⁶ = 1450644499 is a prime.

It is a super-2 number, since 2×1450644563² = 4208739296322921938, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (1450644263) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 725322281 + 725322282.

It is an arithmetic number, because the mean of its divisors is an integer number (725322282).

Almost surely, 2^1450644563 is an apocalyptic number.

1450644563 is a deficient number, since it is larger than the sum of its proper divisors (1).

1450644563 is an equidigital number, since it uses as much as digits as its factorization.

1450644563 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 38.

The square root of 1450644563 is about 38087.3281157920. The cubic root of 1450644563 is about 1132.0188836245.

The spelling of 1450644563 in words is "one billion, four hundred fifty million, six hundred forty-four thousand, five hundred sixty-three".