2418809021 has 8 divisors (see below), whose sum is σ = 2438519424. Its totient is φ = 2399117760.

The previous prime is 2418808999. The next prime is 2418809023. The reversal of 2418809021 is 1209088142.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2418809021 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 (2418809023) 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 7 ways as a sum of consecutive naturals, for example, 359141 + ... + 365813.

It is an arithmetic number, because the mean of its divisors is an integer number (304814928).

Almost surely, 2^2418809021 is an apocalyptic number.

It is an amenable number.

2418809021 is a deficient number, since it is larger than the sum of its proper divisors (19710403).

2418809021 is a wasteful number, since it uses less digits than its factorization.

2418809021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9571.

The product of its (nonzero) digits is 9216, while the sum is 35.

The square root of 2418809021 is about 49181.3889698126. The cubic root of 2418809021 is about 1342.3544078375.

The spelling of 2418809021 in words is "two billion, four hundred eighteen million, eight hundred nine thousand, twenty-one".