69594128069 has 2 divisors, whose sum is σ = 69594128070. Its totient is φ = 69594128068.

The previous prime is 69594128053. The next prime is 69594128089. The reversal of 69594128069 is 96082149596.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 53620959844 + 15973168225 = 231562^2 + 126385^2 .

It is a cyclic number.

It is not a de Polignac number, because 69594128069 - 2⁴ = 69594128053 is a prime.

It is a super-2 number, since 2×69594128069² (a number of 22 digits) contains 22 as substring.

It is a Sophie Germain prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 69594127999 and 69594128017.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (69594128089) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 34797064034 + 34797064035.

It is an arithmetic number, because the mean of its divisors is an integer number (34797064035).

Almost surely, 2^69594128069 is an apocalyptic number.

It is an amenable number.

69594128069 is a deficient number, since it is larger than the sum of its proper divisors (1).

69594128069 is an equidigital number, since it uses as much as digits as its factorization.

69594128069 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 8398080, while the sum is 59.

The spelling of 69594128069 in words is "sixty-nine billion, five hundred ninety-four million, one hundred twenty-eight thousand, sixty-nine".