16539812043983 has 2 divisors, whose sum is σ = 16539812043984. Its totient is φ = 16539812043982.

The previous prime is 16539812043929. The next prime is 16539812044037. The reversal of 16539812043983 is 38934021893561.

It is a balanced prime because it is at equal distance from previous prime (16539812043929) and next prime (16539812044037).

It is an emirp because it is prime and its reverse (38934021893561) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 16539812043983 - 2¹⁸ = 16539811781839 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (16539812043283) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8269906021991 + 8269906021992.

It is an arithmetic number, because the mean of its divisors is an integer number (8269906021992).

Almost surely, 2^{16539812043983} is an apocalyptic number.

16539812043983 is a deficient number, since it is larger than the sum of its proper divisors (1).

16539812043983 is an equidigital number, since it uses as much as digits as its factorization.

16539812043983 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 33592320, while the sum is 62.

The spelling of 16539812043983 in words is "sixteen trillion, five hundred thirty-nine billion, eight hundred twelve million, forty-three thousand, nine hundred eighty-three".