109783939693 has 2 divisors, whose sum is σ = 109783939694. Its totient is φ = 109783939692.

The previous prime is 109783939669. The next prime is 109783939709. The reversal of 109783939693 is 396939387901.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 87570421929 + 22213517764 = 295923^2 + 149042^2 .

It is a cyclic number.

It is not a de Polignac number, because 109783939693 - 2²⁹ = 109247068781 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (109783939613) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 54891969846 + 54891969847.

It is an arithmetic number, because the mean of its divisors is an integer number (54891969847).

Almost surely, 2^109783939693 is an apocalyptic number.

It is an amenable number.

109783939693 is a deficient number, since it is larger than the sum of its proper divisors (1).

109783939693 is an equidigital number, since it uses as much as digits as its factorization.

109783939693 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 59521392, while the sum is 67.

The spelling of 109783939693 in words is "one hundred nine billion, seven hundred eighty-three million, nine hundred thirty-nine thousand, six hundred ninety-three".