68549283259 has 8 divisors (see below), whose sum is σ = 69879393360. Its totient is φ = 67220533536.

The previous prime is 68549283239. The next prime is 68549283289. The reversal of 68549283259 is 95238294586.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 68549283259 - 2¹¹ = 68549281211 is a prime.

It is a super-2 number, since 2×68549283259² (a number of 22 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 68549283197 and 68549283206.

It is not an unprimeable number, because it can be changed into a prime (68549283239) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 238044 + ... + 440185.

It is an arithmetic number, because the mean of its divisors is an integer number (8734924170).

Almost surely, 2^68549283259 is an apocalyptic number.

68549283259 is a deficient number, since it is larger than the sum of its proper divisors (1330110101).

68549283259 is a wasteful number, since it uses less digits than its factorization.

68549283259 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 680189.

The product of its digits is 37324800, while the sum is 61.

The spelling of 68549283259 in words is "sixty-eight billion, five hundred forty-nine million, two hundred eighty-three thousand, two hundred fifty-nine".