109175964109 has 2 divisors, whose sum is σ = 109175964110. Its totient is φ = 109175964108.

The previous prime is 109175964077. The next prime is 109175964167. The reversal of 109175964109 is 901469571901.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 86287300009 + 22888664100 = 293747^2 + 151290^2 .

It is an emirp because it is prime and its reverse (901469571901) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 109175964109 - 2⁵ = 109175964077 is a prime.

It is a super-2 number, since 2×109175964109² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (109175964509) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 54587982054 + 54587982055.

It is an arithmetic number, because the mean of its divisors is an integer number (54587982055).

Almost surely, 2^109175964109 is an apocalyptic number.

It is an amenable number.

109175964109 is a deficient number, since it is larger than the sum of its proper divisors (1).

109175964109 is an equidigital number, since it uses as much as digits as its factorization.

109175964109 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 612360, while the sum is 52.

The spelling of 109175964109 in words is "one hundred nine billion, one hundred seventy-five million, nine hundred sixty-four thousand, one hundred nine".