69423642269 has 4 divisors (see below), whose sum is σ = 69425043996. Its totient is φ = 69422240544.

The previous prime is 69423642259. The next prime is 69423642391. The reversal of 69423642269 is 96224632496.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 49546308100 + 19877334169 = 222590^2 + 140987^2 .

It is a cyclic number.

It is not a de Polignac number, because 69423642269 - 2²⁰ = 69422593693 is a prime.

It is a super-3 number, since 3×69423642269³ (a number of 34 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 69423642269.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (69423642259) 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 3 ways as a sum of consecutive naturals, for example, 623744 + ... + 726569.

It is an arithmetic number, because the mean of its divisors is an integer number (17356260999).

Almost surely, 2^69423642269 is an apocalyptic number.

It is an amenable number.

69423642269 is a deficient number, since it is larger than the sum of its proper divisors (1401727).

69423642269 is a wasteful number, since it uses less digits than its factorization.

69423642269 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1401726.

The product of its digits is 6718464, while the sum is 53.

The spelling of 69423642269 in words is "sixty-nine billion, four hundred twenty-three million, six hundred forty-two thousand, two hundred sixty-nine".