1968444602 has 8 divisors (see below), whose sum is σ = 2956310112. Its totient is φ = 983007900.

The previous prime is 1968444601. The next prime is 1968444619. The reversal of 1968444602 is 2064448691.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×1968444602² = 7749548302285876808, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1968444601) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 605174 + ... + 608417.

It is an arithmetic number, because the mean of its divisors is an integer number (369538764).

Almost surely, 2^1968444602 is an apocalyptic number.

1968444602 is a deficient number, since it is larger than the sum of its proper divisors (987865510).

1968444602 is a wasteful number, since it uses less digits than its factorization.

1968444602 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1214404.

The product of its (nonzero) digits is 331776, while the sum is 44.

The square root of 1968444602 is about 44367.1567941873. The cubic root of 1968444602 is about 1253.2596739915.

The spelling of 1968444602 in words is "one billion, nine hundred sixty-eight million, four hundred forty-four thousand, six hundred two".