1968273250 has 16 divisors (see below), whose sum is σ = 3684607992. Its totient is φ = 787309200.

The previous prime is 1968273227. The next prime is 1968273287. The reversal of 1968273250 is 523728691.

It can be written as a sum of positive squares in 4 ways, for example, as 901140361 + 1067132889 = 30019^2 + 32667^2 .

It is a junction number, because it is equal to n+sod(n) for n = 1968273197 and 1968273206.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3936297 + ... + 3936796.

Almost surely, 2^1968273250 is an apocalyptic number.

1968273250 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1968273250 is a deficient number, since it is larger than the sum of its proper divisors (1716334742).

1968273250 is an equidigital number, since it uses as much as digits as its factorization.

1968273250 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7873110 (or 7873100 counting only the distinct ones).

The product of its (nonzero) digits is 181440, while the sum is 43.

The square root of 1968273250 is about 44365.2256840873. The cubic root of 1968273250 is about 1253.2233077520.

The spelling of 1968273250 in words is "one billion, nine hundred sixty-eight million, two hundred seventy-three thousand, two hundred fifty".