1312063633 has 2 divisors, whose sum is σ = 1312063634. Its totient is φ = 1312063632.

The previous prime is 1312063631. The next prime is 1312063637. The reversal of 1312063633 is 3363602131.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 757790784 + 554272849 = 27528^2 + 23543^2 .

It is a cyclic number.

It is not a de Polignac number, because 1312063633 - 2¹ = 1312063631 is a prime.

Together with 1312063631, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (1312063631) 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, 656031816 + 656031817.

It is an arithmetic number, because the mean of its divisors is an integer number (656031817).

Almost surely, 2^1312063633 is an apocalyptic number.

It is an amenable number.

1312063633 is a deficient number, since it is larger than the sum of its proper divisors (1).

1312063633 is an equidigital number, since it uses as much as digits as its factorization.

1312063633 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 5832, while the sum is 28.

The square root of 1312063633 is about 36222.4189280617. The cubic root of 1312063633 is about 1094.7584332602.

Adding to 1312063633 its reverse (3363602131), we get a palindrome (4675665764).

The spelling of 1312063633 in words is "one billion, three hundred twelve million, sixty-three thousand, six hundred thirty-three".