3865146233191 has 2 divisors, whose sum is σ = 3865146233192. Its totient is φ = 3865146233190.

The previous prime is 3865146233177. The next prime is 3865146233203. The reversal of 3865146233191 is 1913326415683.

It is a strong prime.

It is an emirp because it is prime and its reverse (1913326415683) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 3865146233191 - 2¹⁹ = 3865145708903 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3865146233131) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1932573116595 + 1932573116596.

It is an arithmetic number, because the mean of its divisors is an integer number (1932573116596).

Almost surely, 2^{3865146233191} is an apocalyptic number.

3865146233191 is a deficient number, since it is larger than the sum of its proper divisors (1).

3865146233191 is an equidigital number, since it uses as much as digits as its factorization.

3865146233191 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2799360, while the sum is 52.

The spelling of 3865146233191 in words is "three trillion, eight hundred sixty-five billion, one hundred forty-six million, two hundred thirty-three thousand, one hundred ninety-one".