109509668759 has 2 divisors, whose sum is σ = 109509668760. Its totient is φ = 109509668758.

The previous prime is 109509668747. The next prime is 109509668867. The reversal of 109509668759 is 957866905901.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 109509668759 - 2⁸ = 109509668503 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 109509668695 and 109509668704.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (109509628759) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 54754834379 + 54754834380.

It is an arithmetic number, because the mean of its divisors is an integer number (54754834380).

Almost surely, 2^109509668759 is an apocalyptic number.

109509668759 is a deficient number, since it is larger than the sum of its proper divisors (1).

109509668759 is an equidigital number, since it uses as much as digits as its factorization.

109509668759 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 36741600, while the sum is 65.

The spelling of 109509668759 in words is "one hundred nine billion, five hundred nine million, six hundred sixty-eight thousand, seven hundred fifty-nine".