3806895463181 has 2 divisors, whose sum is σ = 3806895463182. Its totient is φ = 3806895463180.

The previous prime is 3806895463177. The next prime is 3806895463187. The reversal of 3806895463181 is 1813645986083.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 3803299542025 + 3595921156 = 1950205^2 + 59966^2 .

It is an emirp because it is prime and its reverse (1813645986083) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 3806895463181 - 2² = 3806895463177 is a prime.

It is a super-2 number, since 2×3806895463181² (a number of 26 digits) contains 22 as substring.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3806895463187) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1903447731590 + 1903447731591.

It is an arithmetic number, because the mean of its divisors is an integer number (1903447731591).

Almost surely, 2^{3806895463181} is an apocalyptic number.

It is an amenable number.

3806895463181 is a deficient number, since it is larger than the sum of its proper divisors (1).

3806895463181 is an equidigital number, since it uses as much as digits as its factorization.

3806895463181 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 29859840, while the sum is 62.

The spelling of 3806895463181 in words is "three trillion, eight hundred six billion, eight hundred ninety-five million, four hundred sixty-three thousand, one hundred eighty-one".