3868921862911 has 64 divisors (see below), whose sum is σ = 4832887680000. Its totient is φ = 3086474751360.

The previous prime is 3868921862879. The next prime is 3868921862921. The reversal of 3868921862911 is 1192681298683.

It is a happy number.

It is not a de Polignac number, because 3868921862911 - 2⁵ = 3868921862879 is a prime.

It is a hoax number, since the sum of its digits (64) coincides with the sum of the digits of its distinct prime factors.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3868921862921) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 1100061325 + ... + 1100064841.

It is an arithmetic number, because the mean of its divisors is an integer number (75513870000).

Almost surely, 2^{3868921862911} is an apocalyptic number.

3868921862911 is a deficient number, since it is larger than the sum of its proper divisors (963965817089).

3868921862911 is a wasteful number, since it uses less digits than its factorization.

3868921862911 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6477 (or 6463 counting only the distinct ones).

The product of its digits is 17915904, while the sum is 64.

The spelling of 3868921862911 in words is "three trillion, eight hundred sixty-eight billion, nine hundred twenty-one million, eight hundred sixty-two thousand, nine hundred eleven".