3936468649 has 8 divisors (see below), whose sum is σ = 3967996032. Its totient is φ = 3904963920.

The previous prime is 3936468631. The next prime is 3936468703. The reversal of 3936468649 is 9468646393.

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

It is a cyclic number.

It is not a de Polignac number, because 3936468649 - 2⁷ = 3936468521 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 3936468593 and 3936468602.

It is not an unprimeable number, because it can be changed into a prime (3936468049) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 581287 + ... + 588019.

It is an arithmetic number, because the mean of its divisors is an integer number (495999504).

Almost surely, 2^3936468649 is an apocalyptic number.

It is an amenable number.

3936468649 is a deficient number, since it is larger than the sum of its proper divisors (31527383).

3936468649 is a wasteful number, since it uses less digits than its factorization.

3936468649 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11327.

The product of its digits is 20155392, while the sum is 58.

The square root of 3936468649 is about 62741.2834503726. The cubic root of 3936468649 is about 1578.9520168185.

The spelling of 3936468649 in words is "three billion, nine hundred thirty-six million, four hundred sixty-eight thousand, six hundred forty-nine".