4065405307 has 4 divisors (see below), whose sum is σ = 4164561576. Its totient is φ = 3966249040.

The previous prime is 4065405283. The next prime is 4065405353. The reversal of 4065405307 is 7035045604.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 4065405307 - 2¹¹ = 4065403259 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4065405907) 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, 49578073 + ... + 49578154.

It is an arithmetic number, because the mean of its divisors is an integer number (1041140394).

Almost surely, 2^4065405307 is an apocalyptic number.

4065405307 is a deficient number, since it is larger than the sum of its proper divisors (99156269).

4065405307 is an equidigital number, since it uses as much as digits as its factorization.

4065405307 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 99156268.

The product of its (nonzero) digits is 50400, while the sum is 34.

The square root of 4065405307 is about 63760.5309497968. The cubic root of 4065405307 is about 1596.0063560644.

The spelling of 4065405307 in words is "four billion, sixty-five million, four hundred five thousand, three hundred seven".