5218018653 has 16 divisors (see below), whose sum is σ = 7122131456. Its totient is φ = 3396360240.

The previous prime is 5218018643. The next prime is 5218018657. The reversal of 5218018653 is 3568108125.

It is not a de Polignac number, because 5218018653 - 2¹⁷ = 5217887581 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 (5218018657) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 365418 + ... + 379428.

It is an arithmetic number, because the mean of its divisors is an integer number (445133216).

Almost surely, 2^5218018653 is an apocalyptic number.

It is an amenable number.

5218018653 is a deficient number, since it is larger than the sum of its proper divisors (1904112803).

5218018653 is a wasteful number, since it uses less digits than its factorization.

5218018653 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16944.

The product of its (nonzero) digits is 57600, while the sum is 39.

The square root of 5218018653 is about 72235.8543453319. The cubic root of 5218018653 is about 1734.4769886374.

The spelling of 5218018653 in words is "five billion, two hundred eighteen million, eighteen thousand, six hundred fifty-three".