1968104789 has 4 divisors (see below), whose sum is σ = 2249262624. Its totient is φ = 1686946956.

The previous prime is 1968104741. The next prime is 1968104813. The reversal of 1968104789 is 9874018691.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 1968104789 - 2¹⁶ = 1968039253 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1968104789.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1968104729) 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, 140578907 + ... + 140578920.

It is an arithmetic number, because the mean of its divisors is an integer number (562315656).

Almost surely, 2^1968104789 is an apocalyptic number.

It is an amenable number.

1968104789 is a deficient number, since it is larger than the sum of its proper divisors (281157835).

1968104789 is an equidigital number, since it uses as much as digits as its factorization.

1968104789 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 281157834.

The product of its (nonzero) digits is 870912, while the sum is 53.

The square root of 1968104789 is about 44363.3270731581. The cubic root of 1968104789 is about 1253.1875530154.

The spelling of 1968104789 in words is "one billion, nine hundred sixty-eight million, one hundred four thousand, seven hundred eighty-nine".