1449203563 has 2 divisors, whose sum is σ = 1449203564. Its totient is φ = 1449203562.

The previous prime is 1449203557. The next prime is 1449203597. The reversal of 1449203563 is 3653029441.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1449203563 - 2¹⁷ = 1449072491 is a prime.

It is not a weakly prime, because it can be changed into another prime (1449203363) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 724601781 + 724601782.

It is an arithmetic number, because the mean of its divisors is an integer number (724601782).

Almost surely, 2^1449203563 is an apocalyptic number.

1449203563 is a deficient number, since it is larger than the sum of its proper divisors (1).

1449203563 is an equidigital number, since it uses as much as digits as its factorization.

1449203563 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 77760, while the sum is 37.

The square root of 1449203563 is about 38068.4063627570. The cubic root of 1449203563 is about 1131.6439285454.

The spelling of 1449203563 in words is "one billion, four hundred forty-nine million, two hundred three thousand, five hundred sixty-three".