4640218269 has 4 divisors (see below), whose sum is σ = 6186957696. Its totient is φ = 3093478844.

The previous prime is 4640218267. The next prime is 4640218309. The reversal of 4640218269 is 9628120464.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 4640218269 - 2¹ = 4640218267 is a prime.

It is a super-2 number, since 2×4640218269² = 43063251167922712722, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 4640218269.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4640218267) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 773369709 + ... + 773369714.

It is an arithmetic number, because the mean of its divisors is an integer number (1546739424).

Almost surely, 2^4640218269 is an apocalyptic number.

It is an amenable number.

4640218269 is a deficient number, since it is larger than the sum of its proper divisors (1546739427).

4640218269 is a wasteful number, since it uses less digits than its factorization.

4640218269 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1546739426.

The product of its (nonzero) digits is 165888, while the sum is 42.

The square root of 4640218269 is about 68119.1475944906. The cubic root of 4640218269 is about 1667.9363359095.

The spelling of 4640218269 in words is "four billion, six hundred forty million, two hundred eighteen thousand, two hundred sixty-nine".