69391271068 has 24 divisors (see below), whose sum is σ = 138807238752. Its totient is φ = 29733824064.

The previous prime is 69391271051. The next prime is 69391271077. The reversal of 69391271068 is 86017219396.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 58255 + ... + 377062.

It is an arithmetic number, because the mean of its divisors is an integer number (5783634948).

Almost surely, 2^69391271068 is an apocalyptic number.

It is an amenable number.

69391271068 is an abundant number, since it is smaller than the sum of its proper divisors (69415967684).

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

69391271068 is a wasteful number, since it uses less digits than its factorization.

69391271068 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 441021 (or 441019 counting only the distinct ones).

The product of its (nonzero) digits is 979776, while the sum is 52.

The spelling of 69391271068 in words is "sixty-nine billion, three hundred ninety-one million, two hundred seventy-one thousand, sixty-eight".