1263044353 has 2 divisors, whose sum is σ = 1263044354. Its totient is φ = 1263044352.

The previous prime is 1263044351. The next prime is 1263044369. The reversal of 1263044353 is 3534403621.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1259327169 + 3717184 = 35487^2 + 1928^2 .

It is a cyclic number.

It is not a de Polignac number, because 1263044353 - 2¹ = 1263044351 is a prime.

Together with 1263044351, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (1263044351) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 631522176 + 631522177.

It is an arithmetic number, because the mean of its divisors is an integer number (631522177).

Almost surely, 2^1263044353 is an apocalyptic number.

It is an amenable number.

1263044353 is a deficient number, since it is larger than the sum of its proper divisors (1).

1263044353 is an equidigital number, since it uses as much as digits as its factorization.

1263044353 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 25920, while the sum is 31.

The square root of 1263044353 is about 35539.3352920394. The cubic root of 1263044353 is about 1080.9514800298.

Adding to 1263044353 its reverse (3534403621), we get a palindrome (4797447974).

The spelling of 1263044353 in words is "one billion, two hundred sixty-three million, forty-four thousand, three hundred fifty-three".