3869634965121 has 16 divisors (see below), whose sum is σ = 5755632361920. Its totient is φ = 2569478724000.

The previous prime is 3869634965089. The next prime is 3869634965143. The reversal of 3869634965121 is 1215694369683.

3869634965121 is a `hidden beast` number, since 3 + 8 + 6 + 96 + 3 + 496 + 51 + 2 + 1 = 666.

3869634965121 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 3869634965121 - 2⁵ = 3869634965089 is a prime.

It is a super-3 number, since 3×3869634965121³ (a number of 39 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (3869634969121) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 285490860 + ... + 285504413.

It is an arithmetic number, because the mean of its divisors is an integer number (359727022620).

Almost surely, 2^{3869634965121} is an apocalyptic number.

It is an amenable number.

3869634965121 is a deficient number, since it is larger than the sum of its proper divisors (1885997396799).

3869634965121 is a wasteful number, since it uses less digits than its factorization.

3869634965121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 570995533 (or 570995527 counting only the distinct ones).

The product of its digits is 50388480, while the sum is 63.

The spelling of 3869634965121 in words is "three trillion, eight hundred sixty-nine billion, six hundred thirty-four million, nine hundred sixty-five thousand, one hundred twenty-one".