2201501171609 has 2 divisors, whose sum is σ = 2201501171610. Its totient is φ = 2201501171608.

The previous prime is 2201501171567. The next prime is 2201501171629. The reversal of 2201501171609 is 9061711051022.

It is a happy number.

2201501171609 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2201152042384 + 349129225 = 1483628^2 + 18685^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2201501171609 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (2201501171629) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1100750585804 + 1100750585805.

It is an arithmetic number, because the mean of its divisors is an integer number (1100750585805).

Almost surely, 2^{2201501171609} is an apocalyptic number.

It is an amenable number.

2201501171609 is a deficient number, since it is larger than the sum of its proper divisors (1).

2201501171609 is an equidigital number, since it uses as much as digits as its factorization.

2201501171609 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 7560, while the sum is 35.

The spelling of 2201501171609 in words is "two trillion, two hundred one billion, five hundred one million, one hundred seventy-one thousand, six hundred nine".