16235339389 has 2 divisors, whose sum is σ = 16235339390. Its totient is φ = 16235339388.

The previous prime is 16235339387. The next prime is 16235339441. The reversal of 16235339389 is 98393353261.

It is an a-pointer prime, because the next prime (16235339441) can be obtained adding 16235339389 to its sum of digits (52).

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 16099803225 + 135536164 = 126885^2 + 11642^2 .

It is a cyclic number.

It is not a de Polignac number, because 16235339389 - 2¹ = 16235339387 is a prime.

Together with 16235339387, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (16235339387) 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, 8117669694 + 8117669695.

It is an arithmetic number, because the mean of its divisors is an integer number (8117669695).

Almost surely, 2^16235339389 is an apocalyptic number.

It is an amenable number.

16235339389 is a deficient number, since it is larger than the sum of its proper divisors (1).

16235339389 is an equidigital number, since it uses as much as digits as its factorization.

16235339389 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 3149280, while the sum is 52.

The spelling of 16235339389 in words is "sixteen billion, two hundred thirty-five million, three hundred thirty-nine thousand, three hundred eighty-nine".