3949967043312 has 20 divisors (see below), whose sum is σ = 10204081528680. Its totient is φ = 1316655681088.

The previous prime is 3949967043193. The next prime is 3949967043317. The reversal of 3949967043312 is 2133407699493.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3949967043317) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 41145489987 + ... + 41145490082.

It is an arithmetic number, because the mean of its divisors is an integer number (510204076434).

Almost surely, 2^{3949967043312} is an apocalyptic number.

It is an amenable number.

3949967043312 is an abundant number, since it is smaller than the sum of its proper divisors (6254114485368).

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

3949967043312 is a wasteful number, since it uses less digits than its factorization.

3949967043312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 82290980080 (or 82290980074 counting only the distinct ones).

The product of its (nonzero) digits is 26453952, while the sum is 60.

The spelling of 3949967043312 in words is "three trillion, nine hundred forty-nine billion, nine hundred sixty-seven million, forty-three thousand, three hundred twelve".