69135893568 has 336 divisors, whose sum is σ = 242720774400. Its totient is φ = 18382712832.

The previous prime is 69135893549. The next prime is 69135893647. The reversal of 69135893568 is 86539853196.

69135893568 is a `hidden beast` number, since 6 + 9 + 13 + 58 + 9 + 3 + 568 = 666.

It is a tau number, because it is divible by the number of its divisors (336).

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

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 3421158 + ... + 3441306.

Almost surely, 2^69135893568 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 69135893568, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (121360387200).

69135893568 is an abundant number, since it is smaller than the sum of its proper divisors (173584880832).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

69135893568 is a wasteful number, since it uses less digits than its factorization.

69135893568 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20234 (or 20221 counting only the distinct ones).

The product of its digits is 41990400, while the sum is 63.

The spelling of 69135893568 in words is "sixty-nine billion, one hundred thirty-five million, eight hundred ninety-three thousand, five hundred sixty-eight".