3835866346181 has 2 divisors, whose sum is σ = 3835866346182. Its totient is φ = 3835866346180.

The previous prime is 3835866346121. The next prime is 3835866346219. The reversal of 3835866346181 is 1816436685383.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 3015466980100 + 820399366081 = 1736510^2 + 905759^2 .

It is an emirp because it is prime and its reverse (1816436685383) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 3835866346181 - 2²⁶ = 3835799237317 is a prime.

It is a super-2 number, since 2×3835866346181² (a number of 26 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3835866346121) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1917933173090 + 1917933173091.

It is an arithmetic number, because the mean of its divisors is an integer number (1917933173091).

Almost surely, 2^{3835866346181} is an apocalyptic number.

It is an amenable number.

3835866346181 is a deficient number, since it is larger than the sum of its proper divisors (1).

3835866346181 is an equidigital number, since it uses as much as digits as its factorization.

3835866346181 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 59719680, while the sum is 62.

The spelling of 3835866346181 in words is "three trillion, eight hundred thirty-five billion, eight hundred sixty-six million, three hundred forty-six thousand, one hundred eighty-one".