1968534717 has 32 divisors (see below), whose sum is σ = 2744062080. Its totient is φ = 1254113280.

The previous prime is 1968534709. The next prime is 1968534731. The reversal of 1968534717 is 7174358691.

It is a happy number.

It is not a de Polignac number, because 1968534717 - 2³ = 1968534709 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1968534717.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1968534707) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3070717 + ... + 3071357.

It is an arithmetic number, because the mean of its divisors is an integer number (85751940).

Almost surely, 2^1968534717 is an apocalyptic number.

It is an amenable number.

1968534717 is a deficient number, since it is larger than the sum of its proper divisors (775527363).

1968534717 is a wasteful number, since it uses less digits than its factorization.

1968534717 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1133.

The product of its digits is 1270080, while the sum is 51.

The square root of 1968534717 is about 44368.1723423447. The cubic root of 1968534717 is about 1253.2787983587.

The spelling of 1968534717 in words is "one billion, nine hundred sixty-eight million, five hundred thirty-four thousand, seven hundred seventeen".