83417518417 has 2 divisors, whose sum is σ = 83417518418. Its totient is φ = 83417518416.

The previous prime is 83417518409. The next prime is 83417518439. The reversal of 83417518417 is 71481571438.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 73064252416 + 10353266001 = 270304^2 + 101751^2 .

It is a cyclic number.

It is not a de Polignac number, because 83417518417 - 2³ = 83417518409 is a prime.

It is not a weakly prime, because it can be changed into another prime (83417528417) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 41708759208 + 41708759209.

It is an arithmetic number, because the mean of its divisors is an integer number (41708759209).

Almost surely, 2^83417518417 is an apocalyptic number.

It is an amenable number.

83417518417 is a deficient number, since it is larger than the sum of its proper divisors (1).

83417518417 is an equidigital number, since it uses as much as digits as its factorization.

83417518417 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 752640, while the sum is 49.

The spelling of 83417518417 in words is "eighty-three billion, four hundred seventeen million, five hundred eighteen thousand, four hundred seventeen".