69800691109 has 2 divisors, whose sum is σ = 69800691110. Its totient is φ = 69800691108.

The previous prime is 69800691083. The next prime is 69800691127. The reversal of 69800691109 is 90119600896.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 66115836900 + 3684854209 = 257130^2 + 60703^2 .

It is a cyclic number.

It is not a de Polignac number, because 69800691109 - 2²⁷ = 69666473381 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (69800691199) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 34900345554 + 34900345555.

It is an arithmetic number, because the mean of its divisors is an integer number (34900345555).

Almost surely, 2^69800691109 is an apocalyptic number.

It is an amenable number.

69800691109 is a deficient number, since it is larger than the sum of its proper divisors (1).

69800691109 is an equidigital number, since it uses as much as digits as its factorization.

69800691109 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 209952, while the sum is 49.

The spelling of 69800691109 in words is "sixty-nine billion, eight hundred million, six hundred ninety-one thousand, one hundred nine".