43228584649 has 4 divisors (see below), whose sum is σ = 43334278420. Its totient is φ = 43122890880.

The previous prime is 43228584629. The next prime is 43228584671. The reversal of 43228584649 is 94648582234.

43228584649 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 33576897600 + 9651687049 = 183240^2 + 98243^2 .

It is a cyclic number.

It is not a de Polignac number, because 43228584649 - 2¹⁷ = 43228453577 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 43228584649.

It is not an unprimeable number, because it can be changed into a prime (43228584629) 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, 52846272 + ... + 52847089.

It is an arithmetic number, because the mean of its divisors is an integer number (10833569605).

Almost surely, 2^43228584649 is an apocalyptic number.

It is an amenable number.

43228584649 is a deficient number, since it is larger than the sum of its proper divisors (105693771).

43228584649 is a wasteful number, since it uses less digits than its factorization.

43228584649 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 105693770.

The product of its digits is 13271040, while the sum is 55.

The spelling of 43228584649 in words is "forty-three billion, two hundred twenty-eight million, five hundred eighty-four thousand, six hundred forty-nine".