2643013218 has 16 divisors (see below), whose sum is σ = 5286573216. Its totient is φ = 880913280.

The previous prime is 2643013213. The next prime is 2643013277. The reversal of 2643013218 is 8123103462.

It is a super-4 number, since 4×2643013218⁴ (a number of 39 digits) contains 4444 as substring.

It is not an unprimeable number, because it can be changed into a prime (2643013213) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 67705 + ... + 99347.

It is an arithmetic number, because the mean of its divisors is an integer number (330410826).

Almost surely, 2^2643013218 is an apocalyptic number.

2643013218 is an abundant number, since it is smaller than the sum of its proper divisors (2643559998).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2643013218 is a wasteful number, since it uses less digits than its factorization.

2643013218 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45569.

The product of its (nonzero) digits is 6912, while the sum is 30.

The square root of 2643013218 is about 51410.2442904136. The cubic root of 2643013218 is about 1382.6102696027.

The spelling of 2643013218 in words is "two billion, six hundred forty-three million, thirteen thousand, two hundred eighteen".