3936993909 has 8 divisors (see below), whose sum is σ = 5558109120. Its totient is φ = 2470270656.

The previous prime is 3936993887. The next prime is 3936993979. The reversal of 3936993909 is 9093996393.

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

It is not a de Polignac number, because 3936993909 - 2¹⁵ = 3936961141 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3936993979) 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 7 ways as a sum of consecutive naturals, for example, 38597929 + ... + 38598030.

It is an arithmetic number, because the mean of its divisors is an integer number (694763640).

Almost surely, 2^3936993909 is an apocalyptic number.

It is an amenable number.

3936993909 is a deficient number, since it is larger than the sum of its proper divisors (1621115211).

3936993909 is a wasteful number, since it uses less digits than its factorization.

3936993909 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 77195979.

The product of its (nonzero) digits is 9565938, while the sum is 60.

The square root of 3936993909 is about 62745.4692308536. The cubic root of 3936993909 is about 1579.0222424890.

The spelling of 3936993909 in words is "three billion, nine hundred thirty-six million, nine hundred ninety-three thousand, nine hundred nine".