3946130312856 has 64 divisors (see below), whose sum is σ = 10442846937600. Its totient is φ = 1240483617408.

The previous prime is 3946130312819. The next prime is 3946130312921. The reversal of 3946130312856 is 6582130316493.

It is a happy number.

3946130312856 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 3946130312799 and 3946130312808.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 65897136 + ... + 65956991.

It is an arithmetic number, because the mean of its divisors is an integer number (163169483400).

Almost surely, 2^{3946130312856} is an apocalyptic number.

It is an amenable number.

3946130312856 is an abundant number, since it is smaller than the sum of its proper divisors (6496716624744).

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

3946130312856 is a wasteful number, since it uses less digits than its factorization.

3946130312856 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 131854208 (or 131854204 counting only the distinct ones).

The product of its (nonzero) digits is 2799360, while the sum is 51.

The spelling of 3946130312856 in words is "three trillion, nine hundred forty-six billion, one hundred thirty million, three hundred twelve thousand, eight hundred fifty-six".