3929156712 has 144 divisors (see below), whose sum is σ = 11612041740. Its totient is φ = 1199637504.

The previous prime is 3929156711. The next prime is 3929156741. The reversal of 3929156712 is 2176519293.

It is a happy number.

It can be written as a sum of positive squares in 6 ways, for example, as 272052036 + 3657104676 = 16494^2 + 60474^2 .

It is not an unprimeable number, because it can be changed into a prime (3929156711) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 1665838 + ... + 1668194.

Almost surely, 2^3929156712 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 3929156712, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5806020870).

3929156712 is an abundant number, since it is smaller than the sum of its proper divisors (7682885028).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

3929156712 is a wasteful number, since it uses less digits than its factorization.

3929156712 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2532 (or 2512 counting only the distinct ones).

The product of its digits is 204120, while the sum is 45.

The square root of 3929156712 is about 62682.9858255013. The cubic root of 3929156712 is about 1577.9737835814.

The spelling of 3929156712 in words is "three billion, nine hundred twenty-nine million, one hundred fifty-six thousand, seven hundred twelve".