69716077069 has 4 divisors (see below), whose sum is σ = 69719985180. Its totient is φ = 69712168960.

The previous prime is 69716077037. The next prime is 69716077097. The reversal of 69716077069 is 96077061796.

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 8441015625 + 61275061444 = 91875^2 + 247538^2 .

It is a cyclic number.

It is not a de Polignac number, because 69716077069 - 2⁵ = 69716077037 is a prime.

It is a super-2 number, since 2×69716077069² (a number of 22 digits) contains 22 as substring.

It is a Smith number, since the sum of its digits (58) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (69716077369) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1927174 + ... + 1963015.

It is an arithmetic number, because the mean of its divisors is an integer number (17429996295).

Almost surely, 2^69716077069 is an apocalyptic number.

It is an amenable number.

69716077069 is a deficient number, since it is larger than the sum of its proper divisors (3908111).

69716077069 is a wasteful number, since it uses less digits than its factorization.

69716077069 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3908110.

The product of its (nonzero) digits is 6001128, while the sum is 58.

The spelling of 69716077069 in words is "sixty-nine billion, seven hundred sixteen million, seventy-seven thousand, sixty-nine".