4042709365 has 4 divisors (see below), whose sum is σ = 4851251244. Its totient is φ = 3234167488.

The previous prime is 4042709353. The next prime is 4042709369. The reversal of 4042709365 is 5639072404.

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 643586161 + 3399123204 = 25369^2 + 58302^2 .

It is a cyclic number.

It is not a de Polignac number, because 4042709365 - 2²³ = 4034320757 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 (4042709369) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 404270932 + ... + 404270941.

It is an arithmetic number, because the mean of its divisors is an integer number (1212812811).

Almost surely, 2^4042709365 is an apocalyptic number.

It is an amenable number.

4042709365 is a deficient number, since it is larger than the sum of its proper divisors (808541879).

4042709365 is an equidigital number, since it uses as much as digits as its factorization.

4042709365 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 808541878.

The product of its (nonzero) digits is 181440, while the sum is 40.

The square root of 4042709365 is about 63582.3038667207. The cubic root of 4042709365 is about 1593.0308032442.

The spelling of 4042709365 in words is "four billion, forty-two million, seven hundred nine thousand, three hundred sixty-five".