240170800853 has 2 divisors, whose sum is σ = 240170800854. Its totient is φ = 240170800852.

The previous prime is 240170800811. The next prime is 240170800913. The reversal of 240170800853 is 358008071042.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 168101640004 + 72069160849 = 410002^2 + 268457^2 .

It is a cyclic number.

It is not a de Polignac number, because 240170800853 - 2¹² = 240170796757 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (240170830853) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 120085400426 + 120085400427.

It is an arithmetic number, because the mean of its divisors is an integer number (120085400427).

Almost surely, 2^240170800853 is an apocalyptic number.

It is an amenable number.

240170800853 is a deficient number, since it is larger than the sum of its proper divisors (1).

240170800853 is an equidigital number, since it uses as much as digits as its factorization.

240170800853 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 53760, while the sum is 38.

Adding to 240170800853 its reverse (358008071042), we get a palindrome (598178871895).

The spelling of 240170800853 in words is "two hundred forty billion, one hundred seventy million, eight hundred thousand, eight hundred fifty-three".