1968308713 has 8 divisors (see below), whose sum is σ = 2255628032. Its totient is φ = 1682522496.

The previous prime is 1968308669. The next prime is 1968308731. The reversal of 1968308713 is 3178038691.

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 1968308713 - 2⁹ = 1968308201 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1968308813) 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, 380520 + ... + 385657.

It is an arithmetic number, because the mean of its divisors is an integer number (281953504).

Almost surely, 2^1968308713 is an apocalyptic number.

It is an amenable number.

1968308713 is a deficient number, since it is larger than the sum of its proper divisors (287319319).

1968308713 is an equidigital number, since it uses as much as digits as its factorization.

1968308713 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 766551.

The product of its (nonzero) digits is 217728, while the sum is 46.

The square root of 1968308713 is about 44365.6253534197. The cubic root of 1968308713 is about 1253.2308342800.

The spelling of 1968308713 in words is "one billion, nine hundred sixty-eight million, three hundred eight thousand, seven hundred thirteen".