83417518439 has 2 divisors, whose sum is σ = 83417518440. Its totient is φ = 83417518438.

The previous prime is 83417518417. The next prime is 83417518441. The reversal of 83417518439 is 93481571438.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-83417518439 is a prime.

Together with 83417518441, 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 (83417518409) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 41708759219 + 41708759220.

It is an arithmetic number, because the mean of its divisors is an integer number (41708759220).

Almost surely, 2^83417518439 is an apocalyptic number.

83417518439 is a deficient number, since it is larger than the sum of its proper divisors (1).

83417518439 is an equidigital number, since it uses as much as digits as its factorization.

83417518439 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2903040, while the sum is 53.

The spelling of 83417518439 in words is "eighty-three billion, four hundred seventeen million, five hundred eighteen thousand, four hundred thirty-nine".