69696050209 has 2 divisors, whose sum is σ = 69696050210. Its totient is φ = 69696050208.

The previous prime is 69696050201. The next prime is 69696050239. The reversal of 69696050209 is 90205069696.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 54649347984 + 15046702225 = 233772^2 + 122665^2 .

It is a cyclic number.

It is not a de Polignac number, because 69696050209 - 2³ = 69696050201 is a prime.

It is not a weakly prime, because it can be changed into another prime (69696050201) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 34848025104 + 34848025105.

It is an arithmetic number, because the mean of its divisors is an integer number (34848025105).

Almost surely, 2^69696050209 is an apocalyptic number.

It is an amenable number.

69696050209 is a deficient number, since it is larger than the sum of its proper divisors (1).

69696050209 is an equidigital number, since it uses as much as digits as its factorization.

69696050209 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1574640, while the sum is 52.

The spelling of 69696050209 in words is "sixty-nine billion, six hundred ninety-six million, fifty thousand, two hundred nine".