2945942983 has 4 divisors (see below), whose sum is σ = 2995874280. Its totient is φ = 2896011688.

The previous prime is 2945942981. The next prime is 2945943019. The reversal of 2945942983 is 3892495492.

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 2945942983 - 2¹ = 2945942981 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2945942981) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 24965560 + ... + 24965677.

It is an arithmetic number, because the mean of its divisors is an integer number (748968570).

Almost surely, 2^2945942983 is an apocalyptic number.

2945942983 is a deficient number, since it is larger than the sum of its proper divisors (49931297).

2945942983 is an equidigital number, since it uses as much as digits as its factorization.

2945942983 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 49931296.

The product of its digits is 5598720, while the sum is 55.

The square root of 2945942983 is about 54276.5417376605. The cubic root of 2945942983 is about 1433.5343780310.

The spelling of 2945942983 in words is "two billion, nine hundred forty-five million, nine hundred forty-two thousand, nine hundred eighty-three".