3945629332 has 12 divisors (see below), whose sum is σ = 6905676960. Its totient is φ = 1972578776.

The previous prime is 3945629293. The next prime is 3945629333. The reversal of 3945629332 is 2339265493.

3945629332 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3945629333) 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, 18208 + ... + 90679.

It is an arithmetic number, because the mean of its divisors is an integer number (575473080).

Almost surely, 2^3945629332 is an apocalyptic number.

It is an amenable number.

3945629332 is a deficient number, since it is larger than the sum of its proper divisors (2960047628).

3945629332 is a wasteful number, since it uses less digits than its factorization.

3945629332 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 117950 (or 117948 counting only the distinct ones).

The product of its digits is 1049760, while the sum is 46.

The square root of 3945629332 is about 62814.2446583575. The cubic root of 3945629332 is about 1580.1758779805.

The spelling of 3945629332 in words is "three billion, nine hundred forty-five million, six hundred twenty-nine thousand, three hundred thirty-two".