169984019039 has 2 divisors, whose sum is σ = 169984019040. Its totient is φ = 169984019038.

The previous prime is 169984018991. The next prime is 169984019041. The reversal of 169984019039 is 930910489961.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-169984019039 is a prime.

It is a super-2 number, since 2×169984019039² (a number of 23 digits) contains 22 as substring.

Together with 169984019041, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (169984019069) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 84992009519 + 84992009520.

It is an arithmetic number, because the mean of its divisors is an integer number (84992009520).

Almost surely, 2^169984019039 is an apocalyptic number.

169984019039 is a deficient number, since it is larger than the sum of its proper divisors (1).

169984019039 is an equidigital number, since it uses as much as digits as its factorization.

169984019039 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3779136, while the sum is 59.

The spelling of 169984019039 in words is "one hundred sixty-nine billion, nine hundred eighty-four million, nineteen thousand, thirty-nine".