170053699909 has 2 divisors, whose sum is σ = 170053699910. Its totient is φ = 170053699908.

The previous prime is 170053699867. The next prime is 170053700017. The reversal of 170053699909 is 909996350071.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 169973149284 + 80550625 = 412278^2 + 8975^2 .

It is a cyclic number.

It is not a de Polignac number, because 170053699909 - 2¹⁵ = 170053667141 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (170053699009) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 85026849954 + 85026849955.

It is an arithmetic number, because the mean of its divisors is an integer number (85026849955).

Almost surely, 2^170053699909 is an apocalyptic number.

It is an amenable number.

170053699909 is a deficient number, since it is larger than the sum of its proper divisors (1).

170053699909 is an equidigital number, since it uses as much as digits as its factorization.

170053699909 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4133430, while the sum is 58.

The spelling of 170053699909 in words is "one hundred seventy billion, fifty-three million, six hundred ninety-nine thousand, nine hundred nine".