4255340911909 has 2 divisors, whose sum is σ = 4255340911910. Its totient is φ = 4255340911908.

The previous prime is 4255340911903. The next prime is 4255340911961. The reversal of 4255340911909 is 9091190435524.

It is an a-pointer prime, because the next prime (4255340911961) can be obtained adding 4255340911909 to its sum of digits (52).

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2134968089409 + 2120372822500 = 1461153^2 + 1456150^2 .

It is a cyclic number.

It is not a de Polignac number, because 4255340911909 - 2³ = 4255340911901 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4255340911901) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2127670455954 + 2127670455955.

It is an arithmetic number, because the mean of its divisors is an integer number (2127670455955).

Almost surely, 2^{4255340911909} is an apocalyptic number.

It is an amenable number.

4255340911909 is a deficient number, since it is larger than the sum of its proper divisors (1).

4255340911909 is an equidigital number, since it uses as much as digits as its factorization.

4255340911909 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1749600, while the sum is 52.

The spelling of 4255340911909 in words is "four trillion, two hundred fifty-five billion, three hundred forty million, nine hundred eleven thousand, nine hundred nine".