4079509369 has 4 divisors (see below), whose sum is σ = 4393317796. Its totient is φ = 3765700944.

The previous prime is 4079509331. The next prime is 4079509433. The reversal of 4079509369 is 9639059704.

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 2299682025 + 1779827344 = 47955^2 + 42188^2 .

It is a cyclic number.

It is not a de Polignac number, because 4079509369 - 2²⁷ = 3945291641 is a prime.

It is a super-2 number, since 2×4079509369² = 33284793383517556322, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4079509169) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 156904194 + ... + 156904219.

It is an arithmetic number, because the mean of its divisors is an integer number (1098329449).

Almost surely, 2^4079509369 is an apocalyptic number.

It is an amenable number.

4079509369 is a deficient number, since it is larger than the sum of its proper divisors (313808427).

4079509369 is a wasteful number, since it uses less digits than its factorization.

4079509369 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 313808426.

The product of its (nonzero) digits is 1837080, while the sum is 52.

The square root of 4079509369 is about 63871.0370120918. The cubic root of 4079509369 is about 1597.8498943697.

The spelling of 4079509369 in words is "four billion, seventy-nine million, five hundred nine thousand, three hundred sixty-nine".