2943060643 has 4 divisors (see below), whose sum is σ = 2944707520. Its totient is φ = 2941413768.

The previous prime is 2943060599. The next prime is 2943060677. The reversal of 2943060643 is 3460603492.

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 2943060643 - 2¹⁷ = 2942929571 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2943060683) 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, 820755 + ... + 824332.

It is an arithmetic number, because the mean of its divisors is an integer number (736176880).

Almost surely, 2^2943060643 is an apocalyptic number.

2943060643 is a deficient number, since it is larger than the sum of its proper divisors (1646877).

2943060643 is a wasteful number, since it uses less digits than its factorization.

2943060643 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1646876.

The product of its (nonzero) digits is 93312, while the sum is 37.

The square root of 2943060643 is about 54249.9828847899. The cubic root of 2943060643 is about 1433.0666973584.

The spelling of 2943060643 in words is "two billion, nine hundred forty-three million, sixty thousand, six hundred forty-three".