69650020109 has 2 divisors, whose sum is σ = 69650020110. Its totient is φ = 69650020108.

The previous prime is 69650020103. The next prime is 69650020117. The reversal of 69650020109 is 90102005696.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 35739902500 + 33910117609 = 189050^2 + 184147^2 .

It is a cyclic number.

It is not a de Polignac number, because 69650020109 - 2³² = 65355052813 is a prime.

It is a super-2 number, since 2×69650020109² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (69650020103) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 34825010054 + 34825010055.

It is an arithmetic number, because the mean of its divisors is an integer number (34825010055).

Almost surely, 2^69650020109 is an apocalyptic number.

It is an amenable number.

69650020109 is a deficient number, since it is larger than the sum of its proper divisors (1).

69650020109 is an equidigital number, since it uses as much as digits as its factorization.

69650020109 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 29160, while the sum is 38.

The spelling of 69650020109 in words is "sixty-nine billion, six hundred fifty million, twenty thousand, one hundred nine".