3949911412 has 12 divisors (see below), whose sum is σ = 6913424896. Its totient is φ = 1974647160.

The previous prime is 3949911401. The next prime is 3949911419. The reversal of 3949911412 is 2141199493.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3949911419) 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, 47028 + ... + 100555.

Almost surely, 2^3949911412 is an apocalyptic number.

It is an amenable number.

3949911412 is a deficient number, since it is larger than the sum of its proper divisors (2963513484).

3949911412 is a wasteful number, since it uses less digits than its factorization.

3949911412 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 154278 (or 154276 counting only the distinct ones).

The product of its digits is 69984, while the sum is 43.

The square root of 3949911412 is about 62848.3206776442. The cubic root of 3949911412 is about 1580.7473113837.

The spelling of 3949911412 in words is "three billion, nine hundred forty-nine million, nine hundred eleven thousand, four hundred twelve".