3999999011 has 8 divisors (see below), whose sum is σ = 4056142464. Its totient is φ = 3943892160.

The previous prime is 3999998999. The next prime is 3999999013. The reversal of 3999999011 is 1109999993.

3999999011 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is not a de Polignac number, because 3999999011 - 2²² = 3995804707 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3999999013) 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, 269966 + ... + 284396.

It is an arithmetic number, because the mean of its divisors is an integer number (507017808).

Almost surely, 2^3999999011 is an apocalyptic number.

3999999011 is a deficient number, since it is larger than the sum of its proper divisors (56143453).

3999999011 is a wasteful number, since it uses less digits than its factorization.

3999999011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18301.

The product of its (nonzero) digits is 1594323, while the sum is 59.

The square root of 3999999011 is about 63245.5453846356. The cubic root of 3999999011 is about 1587.4009211399.

The spelling of 3999999011 in words is "three billion, nine hundred ninety-nine million, nine hundred ninety-nine thousand, eleven".