3949512855756 has 24 divisors (see below), whose sum is σ = 9924416919984. Its totient is φ = 1215234724800.

The previous prime is 3949512855733. The next prime is 3949512855791. The reversal of 3949512855756 is 6575582159493.

3949512855756 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-3 number, since 3×3949512855756³ (a number of 39 digits) contains 333 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12658694895 + ... + 12658695206.

It is an arithmetic number, because the mean of its divisors is an integer number (413517371666).

Almost surely, 2^{3949512855756} is an apocalyptic number.

It is an amenable number.

3949512855756 is an abundant number, since it is smaller than the sum of its proper divisors (5974904064228).

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

3949512855756 is a wasteful number, since it uses less digits than its factorization.

3949512855756 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25317390121 (or 25317390119 counting only the distinct ones).

The product of its digits is 408240000, while the sum is 69.

The spelling of 3949512855756 in words is "three trillion, nine hundred forty-nine billion, five hundred twelve million, eight hundred fifty-five thousand, seven hundred fifty-six".