16990242589 has 2 divisors, whose sum is σ = 16990242590. Its totient is φ = 16990242588.

The previous prime is 16990242583. The next prime is 16990242593. The reversal of 16990242589 is 98524209961.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 16819496100 + 170746489 = 129690^2 + 13067^2 .

It is an emirp because it is prime and its reverse (98524209961) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 16990242589 - 2⁷ = 16990242461 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (16990242583) 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, 8495121294 + 8495121295.

It is an arithmetic number, because the mean of its divisors is an integer number (8495121295).

Almost surely, 2^16990242589 is an apocalyptic number.

It is an amenable number.

16990242589 is a deficient number, since it is larger than the sum of its proper divisors (1).

16990242589 is an equidigital number, since it uses as much as digits as its factorization.

16990242589 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2799360, while the sum is 55.

The spelling of 16990242589 in words is "sixteen billion, nine hundred ninety million, two hundred forty-two thousand, five hundred eighty-nine".