16404014001589 has 2 divisors, whose sum is σ = 16404014001590. Its totient is φ = 16404014001588.

The previous prime is 16404014001539. The next prime is 16404014001643. The reversal of 16404014001589 is 98510041040461.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 9272085900100 + 7131928101489 = 3045010^2 + 2670567^2 .

It is an emirp because it is prime and its reverse (98510041040461) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 16404014001589 - 2⁷ = 16404014001461 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (16404014001509) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8202007000794 + 8202007000795.

It is an arithmetic number, because the mean of its divisors is an integer number (8202007000795).

Almost surely, 2^{16404014001589} is an apocalyptic number.

It is an amenable number.

16404014001589 is a deficient number, since it is larger than the sum of its proper divisors (1).

16404014001589 is an equidigital number, since it uses as much as digits as its factorization.

16404014001589 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 138240, while the sum is 43.

The spelling of 16404014001589 in words is "sixteen trillion, four hundred four billion, fourteen million, one thousand, five hundred eighty-nine".