3853571920704 has 840 divisors, whose sum is σ = 13285098509760. Its totient is φ = 1101375221760.

The previous prime is 3853571920699. The next prime is 3853571920789. The reversal of 3853571920704 is 4070291753583.

3853571920704 is a `hidden beast` number, since 3 + 8 + 535 + 7 + 19 + 20 + 70 + 4 = 666.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 119 ways as a sum of consecutive naturals, for example, 1053174427 + ... + 1053178085.

It is an arithmetic number, because the mean of its divisors is an integer number (15815593464).

Almost surely, 2^{3853571920704} 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 3853571920704, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6642549254880).

3853571920704 is an abundant number, since it is smaller than the sum of its proper divisors (9431526589056).

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

3853571920704 is a wasteful number, since it uses less digits than its factorization.

3853571920704 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3801 (or 3771 counting only the distinct ones).

The product of its (nonzero) digits is 6350400, while the sum is 54.

The spelling of 3853571920704 in words is "three trillion, eight hundred fifty-three billion, five hundred seventy-one million, nine hundred twenty thousand, seven hundred four".