3852458891081 has 2 divisors, whose sum is σ = 3852458891082. Its totient is φ = 3852458891080.

The previous prime is 3852458891063. The next prime is 3852458891161. The reversal of 3852458891081 is 1801988542583.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2150282035456 + 1702176855625 = 1466384^2 + 1304675^2 .

It is a cyclic number.

It is not a de Polignac number, because 3852458891081 - 2³⁰ = 3851385149257 is a prime.

It is a super-2 number, since 2×3852458891081² (a number of 26 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (3852458891381) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1926229445540 + 1926229445541.

It is an arithmetic number, because the mean of its divisors is an integer number (1926229445541).

Almost surely, 2^{3852458891081} is an apocalyptic number.

It is an amenable number.

3852458891081 is a deficient number, since it is larger than the sum of its proper divisors (1).

3852458891081 is an equidigital number, since it uses as much as digits as its factorization.

3852458891081 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 22118400, while the sum is 62.

The spelling of 3852458891081 in words is "three trillion, eight hundred fifty-two billion, four hundred fifty-eight million, eight hundred ninety-one thousand, eighty-one".