3946511011 has 4 divisors (see below), whose sum is σ = 3948194872. Its totient is φ = 3944827152.

The previous prime is 3946510973. The next prime is 3946511029. The reversal of 3946511011 is 1101156493.

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

It is a cyclic number.

It is not a de Polignac number, because 3946511011 - 2²⁹ = 3409640099 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3946511311) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 838410 + ... + 843103.

It is an arithmetic number, because the mean of its divisors is an integer number (987048718).

Almost surely, 2^3946511011 is an apocalyptic number.

3946511011 is a deficient number, since it is larger than the sum of its proper divisors (1683861).

3946511011 is a wasteful number, since it uses less digits than its factorization.

3946511011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1683860.

The product of its (nonzero) digits is 3240, while the sum is 31.

The square root of 3946511011 is about 62821.2624117026. The cubic root of 3946511011 is about 1580.2935697359.

The spelling of 3946511011 in words is "three billion, nine hundred forty-six million, five hundred eleven thousand, eleven".