2068535517 has 4 divisors (see below), whose sum is σ = 2758047360. Its totient is φ = 1379023676.

The previous prime is 2068535479. The next prime is 2068535531. The reversal of 2068535517 is 7155358602.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 2068535517 - 2⁷ = 2068535389 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2068535017) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 344755917 + ... + 344755922.

It is an arithmetic number, because the mean of its divisors is an integer number (689511840).

Almost surely, 2^2068535517 is an apocalyptic number.

It is an amenable number.

2068535517 is a deficient number, since it is larger than the sum of its proper divisors (689511843).

2068535517 is an equidigital number, since it uses as much as digits as its factorization.

2068535517 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 689511842.

The product of its (nonzero) digits is 252000, while the sum is 42.

The square root of 2068535517 is about 45481.1556251597. The cubic root of 2068535517 is about 1274.1512776831.

The spelling of 2068535517 in words is "two billion, sixty-eight million, five hundred thirty-five thousand, five hundred seventeen".