1595668189139 has 2 divisors, whose sum is σ = 1595668189140. Its totient is φ = 1595668189138.

The previous prime is 1595668189117. The next prime is 1595668189303. The reversal of 1595668189139 is 9319818665951.

It is a weak prime.

It is an emirp because it is prime and its reverse (9319818665951) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1595668189139 - 2¹⁶ = 1595668123603 is a prime.

It is a super-2 number, since 2×1595668189139² (a number of 25 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (1595668189439) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 797834094569 + 797834094570.

It is an arithmetic number, because the mean of its divisors is an integer number (797834094570).

Almost surely, 2^{1595668189139} is an apocalyptic number.

1595668189139 is a deficient number, since it is larger than the sum of its proper divisors (1).

1595668189139 is an equidigital number, since it uses as much as digits as its factorization.

1595668189139 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 125971200, while the sum is 71.

The spelling of 1595668189139 in words is "one trillion, five hundred ninety-five billion, six hundred sixty-eight million, one hundred eighty-nine thousand, one hundred thirty-nine".