2182509079 has 4 divisors (see below), whose sum is σ = 2310891984. Its totient is φ = 2054126176.

The previous prime is 2182509053. The next prime is 2182509103. The reversal of 2182509079 is 9709052812.

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 2182509079 - 2⁹ = 2182508567 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 (2182509019) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 64191427 + ... + 64191460.

It is an arithmetic number, because the mean of its divisors is an integer number (577722996).

Almost surely, 2^2182509079 is an apocalyptic number.

2182509079 is a deficient number, since it is larger than the sum of its proper divisors (128382905).

2182509079 is a wasteful number, since it uses less digits than its factorization.

2182509079 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 128382904.

The product of its (nonzero) digits is 90720, while the sum is 43.

The square root of 2182509079 is about 46717.3316767985. The cubic root of 2182509079 is about 1297.1355230996.

The spelling of 2182509079 in words is "two billion, one hundred eighty-two million, five hundred nine thousand, seventy-nine".