16594139489 has 2 divisors, whose sum is σ = 16594139490. Its totient is φ = 16594139488.

The previous prime is 16594139483. The next prime is 16594139537. The reversal of 16594139489 is 98493149561.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 16108686400 + 485453089 = 126920^2 + 22033^2 .

It is a cyclic number.

It is not a de Polignac number, because 16594139489 - 2⁴ = 16594139473 is a prime.

It is a super-2 number, since 2×16594139489² (a number of 21 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (16594139483) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8297069744 + 8297069745.

It is an arithmetic number, because the mean of its divisors is an integer number (8297069745).

Almost surely, 2^16594139489 is an apocalyptic number.

It is an amenable number.

16594139489 is a deficient number, since it is larger than the sum of its proper divisors (1).

16594139489 is an equidigital number, since it uses as much as digits as its factorization.

16594139489 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 8398080, while the sum is 59.

The spelling of 16594139489 in words is "sixteen billion, five hundred ninety-four million, one hundred thirty-nine thousand, four hundred eighty-nine".