1000001695109 has 2 divisors, whose sum is σ = 1000001695110. Its totient is φ = 1000001695108.

The previous prime is 1000001695051. The next prime is 1000001695139. The reversal of 1000001695109 is 9015961000001.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 991398576100 + 8603119009 = 995690^2 + 92753^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1000001695109 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1000001695139) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 500000847554 + 500000847555.

It is an arithmetic number, because the mean of its divisors is an integer number (500000847555).

Almost surely, 2^{1000001695109} is an apocalyptic number.

It is an amenable number.

1000001695109 is a deficient number, since it is larger than the sum of its proper divisors (1).

1000001695109 is an equidigital number, since it uses as much as digits as its factorization.

1000001695109 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2430, while the sum is 32.

The spelling of 1000001695109 in words is "one trillion, one million, six hundred ninety-five thousand, one hundred nine".