3968503699 has 4 divisors (see below), whose sum is σ = 3970224720. Its totient is φ = 3966782680.

The previous prime is 3968503639. The next prime is 3968503739. The reversal of 3968503699 is 9963058693.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 3968503699 - 2¹¹ = 3968501651 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3968503639) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 857047 + ... + 861664.

It is an arithmetic number, because the mean of its divisors is an integer number (992556180).

Almost surely, 2^3968503699 is an apocalyptic number.

3968503699 is a deficient number, since it is larger than the sum of its proper divisors (1721021).

3968503699 is a wasteful number, since it uses less digits than its factorization.

3968503699 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1721020.

The product of its (nonzero) digits is 9447840, while the sum is 58.

The square root of 3968503699 is about 62996.0609800327. The cubic root of 3968503699 is about 1583.2236298163.

The spelling of 3968503699 in words is "three billion, nine hundred sixty-eight million, five hundred three thousand, six hundred ninety-nine".