1412166321989 has 2 divisors, whose sum is σ = 1412166321990. Its totient is φ = 1412166321988.

The previous prime is 1412166321971. The next prime is 1412166322097. The reversal of 1412166321989 is 9891236612141.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1074918989089 + 337247332900 = 1036783^2 + 580730^2 .

It is a cyclic number.

It is not a de Polignac number, because 1412166321989 - 2²⁰ = 1412165273413 is a prime.

It is a super-2 number, since 2×1412166321989² (a number of 25 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1412166321989.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1412166321949) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 706083160994 + 706083160995.

It is an arithmetic number, because the mean of its divisors is an integer number (706083160995).

Almost surely, 2^{1412166321989} is an apocalyptic number.

It is an amenable number.

1412166321989 is a deficient number, since it is larger than the sum of its proper divisors (1).

1412166321989 is an equidigital number, since it uses as much as digits as its factorization.

1412166321989 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1119744, while the sum is 53.

The spelling of 1412166321989 in words is "one trillion, four hundred twelve billion, one hundred sixty-six million, three hundred twenty-one thousand, nine hundred eighty-nine".