2043218653 has 8 divisors (see below), whose sum is σ = 2355772608. Its totient is φ = 1735831104.

The previous prime is 2043218629. The next prime is 2043218669. The reversal of 2043218653 is 3568123402.

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

It is not a de Polignac number, because 2043218653 - 2⁹ = 2043218141 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2043218623) 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 7 ways as a sum of consecutive naturals, for example, 1290751 + ... + 1292332.

It is an arithmetic number, because the mean of its divisors is an integer number (294471576).

Almost surely, 2^2043218653 is an apocalyptic number.

It is an amenable number.

2043218653 is a deficient number, since it is larger than the sum of its proper divisors (312553955).

2043218653 is a wasteful number, since it uses less digits than its factorization.

2043218653 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2583203.

The product of its (nonzero) digits is 34560, while the sum is 34.

The square root of 2043218653 is about 45201.9762067987. The cubic root of 2043218653 is about 1268.9318012739.

The spelling of 2043218653 in words is "two billion, forty-three million, two hundred eighteen thousand, six hundred fifty-three".