3996649911 has 32 divisors (see below), whose sum is σ = 5538931200. Its totient is φ = 2561892480.

The previous prime is 3996649907. The next prime is 3996649913. The reversal of 3996649911 is 1199466993.

It is not a de Polignac number, because 3996649911 - 2² = 3996649907 is a prime.

It is a super-2 number, since 2×3996649911² = 31946421022192615842, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3996649913) 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 31 ways as a sum of consecutive naturals, for example, 2126070 + ... + 2127948.

It is an arithmetic number, because the mean of its divisors is an integer number (173091600).

Almost surely, 2^3996649911 is an apocalyptic number.

3996649911 is a deficient number, since it is larger than the sum of its proper divisors (1542281289).

3996649911 is a wasteful number, since it uses less digits than its factorization.

3996649911 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2199.

The product of its digits is 2834352, while the sum is 57.

The square root of 3996649911 is about 63219.0628766356. The cubic root of 3996649911 is about 1586.9577669579.

The spelling of 3996649911 in words is "three billion, nine hundred ninety-six million, six hundred forty-nine thousand, nine hundred eleven".