289315785113 has 2 divisors, whose sum is σ = 289315785114. Its totient is φ = 289315785112.

The previous prime is 289315785067. The next prime is 289315785119. The reversal of 289315785113 is 311587513982.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 288973978969 + 341806144 = 537563^2 + 18488^2 .

It is a cyclic number.

It is not a de Polignac number, because 289315785113 - 2²² = 289311590809 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 (289315785119) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 144657892556 + 144657892557.

It is an arithmetic number, because the mean of its divisors is an integer number (144657892557).

Almost surely, 2^289315785113 is an apocalyptic number.

It is an amenable number.

289315785113 is a deficient number, since it is larger than the sum of its proper divisors (1).

289315785113 is an equidigital number, since it uses as much as digits as its factorization.

289315785113 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1814400, while the sum is 53.

The spelling of 289315785113 in words is "two hundred eighty-nine billion, three hundred fifteen million, seven hundred eighty-five thousand, one hundred thirteen".