69728275869 has 32 divisors (see below), whose sum is σ = 107352176640. Its totient is φ = 39432744000.

The previous prime is 69728275867. The next prime is 69728275901. The reversal of 69728275869 is 96857282796.

It is not a de Polignac number, because 69728275869 - 2¹ = 69728275867 is a prime.

It is a super-2 number, since 2×69728275869² (a number of 22 digits) contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (69728275867) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 5913822 + ... + 5925600.

It is an arithmetic number, because the mean of its divisors is an integer number (3354755520).

Almost surely, 2^69728275869 is an apocalyptic number.

It is an amenable number.

69728275869 is a deficient number, since it is larger than the sum of its proper divisors (37623900771).

69728275869 is a wasteful number, since it uses less digits than its factorization.

69728275869 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14681.

The product of its digits is 182891520, while the sum is 69.

The spelling of 69728275869 in words is "sixty-nine billion, seven hundred twenty-eight million, two hundred seventy-five thousand, eight hundred sixty-nine".