109783939669 has 2 divisors, whose sum is σ = 109783939670. Its totient is φ = 109783939668.

The previous prime is 109783939667. The next prime is 109783939693. The reversal of 109783939669 is 966939387901.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 108808939044 + 975000625 = 329862^2 + 31225^2 .

It is a cyclic number.

It is not a de Polignac number, because 109783939669 - 2¹ = 109783939667 is a prime.

It is a super-2 number, since 2×109783939669² (a number of 23 digits) contains 22 as substring.

Together with 109783939667, it forms a pair of twin primes.

It is a junction number, because it is equal to n+sod(n) for n = 109783939598 and 109783939607.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (109783939667) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 54891969834 + 54891969835.

It is an arithmetic number, because the mean of its divisors is an integer number (54891969835).

Almost surely, 2^109783939669 is an apocalyptic number.

It is an amenable number.

109783939669 is a deficient number, since it is larger than the sum of its proper divisors (1).

109783939669 is an equidigital number, since it uses as much as digits as its factorization.

109783939669 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 119042784, while the sum is 70.

The spelling of 109783939669 in words is "one hundred nine billion, seven hundred eighty-three million, nine hundred thirty-nine thousand, six hundred sixty-nine".