69488728717 has 16 divisors (see below), whose sum is σ = 72867574080. Its totient is φ = 66214325632.

The previous prime is 69488728703. The next prime is 69488728733. The reversal of 69488728717 is 71782788496.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-69488728717 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (69488726717) 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 15 ways as a sum of consecutive naturals, for example, 125673 + ... + 393409.

It is an arithmetic number, because the mean of its divisors is an integer number (4554223380).

Almost surely, 2^69488728717 is an apocalyptic number.

It is an amenable number.

69488728717 is a deficient number, since it is larger than the sum of its proper divisors (3378845363).

69488728717 is a wasteful number, since it uses less digits than its factorization.

69488728717 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 267932.

The product of its digits is 75866112, while the sum is 67.

The spelling of 69488728717 in words is "sixty-nine billion, four hundred eighty-eight million, seven hundred twenty-eight thousand, seven hundred seventeen".