3853404334081 has 9 divisors (see below), whose sum is σ = 3877511857569. Its totient is φ = 3829445809236.

The previous prime is 3853404334061. The next prime is 3853404334099. The reversal of 3853404334081 is 1804334043583.

The square root of 3853404334081 is 1963009.

It is a perfect power (a square), and thus also a powerful number.

It is not a de Polignac number, because 3853404334081 - 2²⁵ = 3853370779649 is a prime.

It is a super-2 number, since 2×3853404334081² (a number of 26 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3853404334061) by changing a digit.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 319964446 + ... + 319976488.

It is an arithmetic number, because the mean of its divisors is an integer number (430834650841).

Almost surely, 2^{3853404334081} is an apocalyptic number.

3853404334081 is the 1963009-th square number.

3853404334081 is the 981505-th centered octagonal number.

It is an amenable number.

3853404334081 is a deficient number, since it is larger than the sum of its proper divisors (24107523488).

3853404334081 is an frugal number, since it uses more digits than its factorization.

3853404334081 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24412 (or 12206 counting only the distinct ones).

The product of its (nonzero) digits is 1658880, while the sum is 46.

The spelling of 3853404334081 in words is "three trillion, eight hundred fifty-three billion, four hundred four million, three hundred thirty-four thousand, eighty-one".