2783224643 has 4 divisors (see below), whose sum is σ = 2814496920. Its totient is φ = 2751952368.

The previous prime is 2783224621. The next prime is 2783224651. The reversal of 2783224643 is 3464223872.

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

It is a cyclic number.

It is not a de Polignac number, because 2783224643 - 2¹⁶ = 2783159107 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 2783224643.

It is not an unprimeable number, because it can be changed into a prime (2783224943) 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, 15636005 + ... + 15636182.

It is an arithmetic number, because the mean of its divisors is an integer number (703624230).

Almost surely, 2^2783224643 is an apocalyptic number.

2783224643 is a deficient number, since it is larger than the sum of its proper divisors (31272277).

2783224643 is an equidigital number, since it uses as much as digits as its factorization.

2783224643 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31272276.

The product of its digits is 387072, while the sum is 41.

The square root of 2783224643 is about 52756.2758636354. The cubic root of 2783224643 is about 1406.6393217421.

The spelling of 2783224643 in words is "two billion, seven hundred eighty-three million, two hundred twenty-four thousand, six hundred forty-three".