3954869568 has 168 divisors, whose sum is σ = 12391692768. Its totient is φ = 1198568448.

The previous prime is 3954869549. The next prime is 3954869599. The reversal of 3954869568 is 8659684593.

3954869568 is a `hidden beast` number, since 3 + 9 + 5 + 4 + 8 + 69 + 568 = 666.

It is a nialpdrome in base 16.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 497755 + ... + 505637.

It is an arithmetic number, because the mean of its divisors is an integer number (73760076).

Almost surely, 2^3954869568 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 3954869568, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6195846384).

3954869568 is an abundant number, since it is smaller than the sum of its proper divisors (8436823200).

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

3954869568 is a wasteful number, since it uses less digits than its factorization.

3954869568 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7981 (or 7968 counting only the distinct ones).

The product of its digits is 55987200, while the sum is 63.

The square root of 3954869568 is about 62887.7537204184. The cubic root of 3954869568 is about 1581.4084498106.

The spelling of 3954869568 in words is "three billion, nine hundred fifty-four million, eight hundred sixty-nine thousand, five hundred sixty-eight".