2389220643 has 8 divisors (see below), whose sum is σ = 3189016656. Its totient is φ = 1591119200.

The previous prime is 2389220641. The next prime is 2389220671. The reversal of 2389220643 is 3460229832.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 2389220643 - 2¹ = 2389220641 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2389220641) 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, 420348 + ... + 425993.

It is an arithmetic number, because the mean of its divisors is an integer number (398627082).

Almost surely, 2^2389220643 is an apocalyptic number.

2389220643 is a deficient number, since it is larger than the sum of its proper divisors (799796013).

2389220643 is an equidigital number, since it uses as much as digits as its factorization.

2389220643 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 847285.

The product of its (nonzero) digits is 124416, while the sum is 39.

The square root of 2389220643 is about 48879.6546939522. The cubic root of 2389220643 is about 1336.8584315003.

The spelling of 2389220643 in words is "two billion, three hundred eighty-nine million, two hundred twenty thousand, six hundred forty-three".