3936469679 has 4 divisors (see below), whose sum is σ = 3937496784. Its totient is φ = 3935442576.

The previous prime is 3936469643. The next prime is 3936469681. The reversal of 3936469679 is 9769646393.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-3936469679 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3936469639) 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, 507782 + ... + 515475.

It is an arithmetic number, because the mean of its divisors is an integer number (984374196).

Almost surely, 2^3936469679 is an apocalyptic number.

3936469679 is a deficient number, since it is larger than the sum of its proper divisors (1027105).

3936469679 is a wasteful number, since it uses less digits than its factorization.

3936469679 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1027104.

The product of its digits is 39680928, while the sum is 62.

The square root of 3936469679 is about 62741.2916586836. The cubic root of 3936469679 is about 1578.9521545325.

The spelling of 3936469679 in words is "three billion, nine hundred thirty-six million, four hundred sixty-nine thousand, six hundred seventy-nine".