68829560289 has 24 divisors (see below), whose sum is σ = 114628929792. Its totient is φ = 38983109760.

The previous prime is 68829560279. The next prime is 68829560299. The reversal of 68829560289 is 98206592886.

68829560289 is a `hidden beast` number, since 6 + 8 + 8 + 295 + 60 + 289 = 666.

It is an interprime number because it is at equal distance from previous prime (68829560279) and next prime (68829560299).

It is not a de Polignac number, because 68829560289 - 2⁴ = 68829560273 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (63).

It is not an unprimeable number, because it can be changed into a prime (68829560209) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 4827097 + ... + 4841334.

It is an arithmetic number, because the mean of its divisors is an integer number (4776205408).

Almost surely, 2^68829560289 is an apocalyptic number.

It is an amenable number.

68829560289 is a deficient number, since it is larger than the sum of its proper divisors (45799369503).

68829560289 is a wasteful number, since it uses less digits than its factorization.

68829560289 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9668557 (or 9668554 counting only the distinct ones).

The product of its (nonzero) digits is 29859840, while the sum is 63.

The spelling of 68829560289 in words is "sixty-eight billion, eight hundred twenty-nine million, five hundred sixty thousand, two hundred eighty-nine".