2853117906209 has 2 divisors, whose sum is σ = 2853117906210. Its totient is φ = 2853117906208.

The previous prime is 2853117906161. The next prime is 2853117906271. The reversal of 2853117906209 is 9026097113582.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2285614830625 + 567503075584 = 1511825^2 + 753328^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2853117906209 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 (2853117906809) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1426558953104 + 1426558953105.

It is an arithmetic number, because the mean of its divisors is an integer number (1426558953105).

Almost surely, 2^{2853117906209} is an apocalyptic number.

It is an amenable number.

2853117906209 is a deficient number, since it is larger than the sum of its proper divisors (1).

2853117906209 is an equidigital number, since it uses as much as digits as its factorization.

2853117906209 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1632960, while the sum is 53.

The spelling of 2853117906209 in words is "two trillion, eight hundred fifty-three billion, one hundred seventeen million, nine hundred six thousand, two hundred nine".