2820294643 has 8 divisors (see below), whose sum is σ = 2885320512. Its totient is φ = 2755478016.

The previous prime is 2820294641. The next prime is 2820294683. The reversal of 2820294643 is 3464920282.

2820294643 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 2820294643 - 2¹ = 2820294641 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2820294596 and 2820294605.

It is not an unprimeable number, because it can be changed into a prime (2820294641) 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, 24880 + ... + 79117.

It is an arithmetic number, because the mean of its divisors is an integer number (360665064).

Almost surely, 2^2820294643 is an apocalyptic number.

2820294643 is a deficient number, since it is larger than the sum of its proper divisors (65025869).

2820294643 is a wasteful number, since it uses less digits than its factorization.

2820294643 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 104621.

The product of its (nonzero) digits is 165888, while the sum is 40.

The square root of 2820294643 is about 53106.4463412870. The cubic root of 2820294643 is about 1412.8568476112.

The spelling of 2820294643 in words is "two billion, eight hundred twenty million, two hundred ninety-four thousand, six hundred forty-three".