1963263122 has 54 divisors (see below), whose sum is σ = 3336015807. Its totient is φ = 866239488.

The previous prime is 1963263119. The next prime is 1963263131. The reversal of 1963263122 is 2213623691.

It can be written as a sum of positive squares in 5 ways, for example, as 1442556361 + 520706761 = 37981^2 + 22819^2 .

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=31331.

It is a Duffinian number.

It is an unprimeable number.

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 in 26 ways as a sum of consecutive naturals, for example, 20239778 + ... + 20239874.

Almost surely, 2^1963263122 is an apocalyptic number.

1963263122 is a deficient number, since it is larger than the sum of its proper divisors (1372752685).

1963263122 is an equidigital number, since it uses as much as digits as its factorization.

1963263122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 268 (or 135 counting only the distinct ones).

The product of its digits is 23328, while the sum is 35.

The square root of 1963263122 is about 44308.7251227114. The cubic root of 1963263122 is about 1252.1590679533.

Multiplying 1963263122 by its product of digits (23328), we get a square (45799002110016 = 6767496²).

The spelling of 1963263122 in words is "one billion, nine hundred sixty-three million, two hundred sixty-three thousand, one hundred twenty-two".