2945847219 has 48 divisors (see below), whose sum is σ = 4683238560. Its totient is φ = 1641669120.

The previous prime is 2945847217. The next prime is 2945847221. The reversal of 2945847219 is 9127485492.

It is an interprime number because it is at equal distance from previous prime (2945847217) and next prime (2945847221).

It is not a de Polignac number, because 2945847219 - 2¹ = 2945847217 is a prime.

It is a super-2 number, since 2×2945847219² = 17356031675380067922, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (2945847217) 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 47 ways as a sum of consecutive naturals, for example, 1409127 + ... + 1411215.

It is an arithmetic number, because the mean of its divisors is an integer number (97567470).

Almost surely, 2^2945847219 is an apocalyptic number.

2945847219 is a deficient number, since it is larger than the sum of its proper divisors (1737391341).

2945847219 is a wasteful number, since it uses less digits than its factorization.

2945847219 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2340 (or 2333 counting only the distinct ones).

The product of its digits is 1451520, while the sum is 51.

The square root of 2945847219 is about 54275.6595445878. The cubic root of 2945847219 is about 1433.5188445245.

The spelling of 2945847219 in words is "two billion, nine hundred forty-five million, eight hundred forty-seven thousand, two hundred nineteen".