4255405109 has 4 divisors (see below), whose sum is σ = 4257077100. Its totient is φ = 4253733120.

The previous prime is 4255405069. The next prime is 4255405111. The reversal of 4255405109 is 9015045524.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 3208882609 + 1046522500 = 56647^2 + 32350^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-4255405109 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4255405159) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 832172 + ... + 837269.

It is an arithmetic number, because the mean of its divisors is an integer number (1064269275).

Almost surely, 2^4255405109 is an apocalyptic number.

It is an amenable number.

4255405109 is a deficient number, since it is larger than the sum of its proper divisors (1671991).

4255405109 is a wasteful number, since it uses less digits than its factorization.

4255405109 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1671990.

The product of its (nonzero) digits is 36000, while the sum is 35.

The square root of 4255405109 is about 65233.4661734297. The cubic root of 4255405109 is about 1620.4922942440.

The spelling of 4255405109 in words is "four billion, two hundred fifty-five million, four hundred five thousand, one hundred nine".