3968888693 has 24 divisors (see below), whose sum is σ = 4991113344. Its totient is φ = 3089291040.

The previous prime is 3968888687. The next prime is 3968888743.

3968888693 is nontrivially palindromic in base 10.

It is not a de Polignac number, because 3968888693 - 2²⁶ = 3901779829 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3968888653) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1025480 + ... + 1029342.

It is an arithmetic number, because the mean of its divisors is an integer number (207963056).

Almost surely, 2^3968888693 is an apocalyptic number.

It is an amenable number.

3968888693 is a deficient number, since it is larger than the sum of its proper divisors (1022224651).

3968888693 is a wasteful number, since it uses less digits than its factorization.

3968888693 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5105 (or 5094 counting only the distinct ones).

The product of its digits is 107495424, while the sum is 68.

The square root of 3968888693 is about 62999.1166049176. The cubic root of 3968888693 is about 1583.2748255930.

The spelling of 3968888693 in words is "three billion, nine hundred sixty-eight million, eight hundred eighty-eight thousand, six hundred ninety-three".