4048022509 has 4 divisors (see below), whose sum is σ = 4116633120. Its totient is φ = 3979411900.

The previous prime is 4048022497. The next prime is 4048022543. The reversal of 4048022509 is 9052208404.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 4048022509 - 2⁵ = 4048022477 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 (4048022009) 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, 34305217 + ... + 34305334.

It is an arithmetic number, because the mean of its divisors is an integer number (1029158280).

Almost surely, 2^4048022509 is an apocalyptic number.

It is an amenable number.

4048022509 is a deficient number, since it is larger than the sum of its proper divisors (68610611).

4048022509 is an equidigital number, since it uses as much as digits as its factorization.

4048022509 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 68610610.

The product of its (nonzero) digits is 23040, while the sum is 34.

The square root of 4048022509 is about 63624.0717731897. The cubic root of 4048022509 is about 1593.7283797164.

The spelling of 4048022509 in words is "four billion, forty-eight million, twenty-two thousand, five hundred nine".