1968730066579 has 8 divisors (see below), whose sum is σ = 2057376499200. Its totient is φ = 1882031907336.

The previous prime is 1968730066573. The next prime is 1968730066649. The reversal of 1968730066579 is 9756600378691.

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

It is a cyclic number.

It is not a de Polignac number, because 1968730066579 - 2³¹ = 1966582582931 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1968730066573) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 487066279 + ... + 487070320.

It is an arithmetic number, because the mean of its divisors is an integer number (257172062400).

Almost surely, 2^{1968730066579} is an apocalyptic number.

1968730066579 is a deficient number, since it is larger than the sum of its proper divisors (88646432621).

1968730066579 is an equidigital number, since it uses as much as digits as its factorization.

1968730066579 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 974136689.

The product of its (nonzero) digits is 102876480, while the sum is 67.

The spelling of 1968730066579 in words is "one trillion, nine hundred sixty-eight billion, seven hundred thirty million, sixty-six thousand, five hundred seventy-nine".