16544353139 has 2 divisors, whose sum is σ = 16544353140. Its totient is φ = 16544353138.

The previous prime is 16544353109. The next prime is 16544353187. The reversal of 16544353139 is 93135344561.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 16544353139 - 2¹⁶ = 16544287603 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 16544353139.

It is not a weakly prime, because it can be changed into another prime (16544353109) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8272176569 + 8272176570.

It is an arithmetic number, because the mean of its divisors is an integer number (8272176570).

Almost surely, 2^16544353139 is an apocalyptic number.

16544353139 is a deficient number, since it is larger than the sum of its proper divisors (1).

16544353139 is an equidigital number, since it uses as much as digits as its factorization.

16544353139 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 583200, while the sum is 44.

The spelling of 16544353139 in words is "sixteen billion, five hundred forty-four million, three hundred fifty-three thousand, one hundred thirty-nine".