3956129292 has 12 divisors (see below), whose sum is σ = 9230968376. Its totient is φ = 1318709760.

The previous prime is 3956129267. The next prime is 3956129293. The reversal of 3956129292 is 2929216593.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (12).

It is a hoax number, since the sum of its digits (48) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (3956129293) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 164838709 + ... + 164838732.

Almost surely, 2^3956129292 is an apocalyptic number.

It is an amenable number.

3956129292 is an abundant number, since it is smaller than the sum of its proper divisors (5274839084).

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

3956129292 is a wasteful number, since it uses less digits than its factorization.

3956129292 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 329677448 (or 329677446 counting only the distinct ones).

The product of its digits is 524880, while the sum is 48.

The square root of 3956129292 is about 62897.7685772715. The cubic root of 3956129292 is about 1581.5763379180.

The spelling of 3956129292 in words is "three billion, nine hundred fifty-six million, one hundred twenty-nine thousand, two hundred ninety-two".