5641343818 has 32 divisors (see below), whose sum is σ = 9779548608. Its totient is φ = 2412115200.

The previous prime is 5641343809. The next prime is 5641343819. The reversal of 5641343818 is 8183431465.

It is not an unprimeable number, because it can be changed into a prime (5641343819) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1088373 + ... + 1093543.

It is an arithmetic number, because the mean of its divisors is an integer number (305610894).

Almost surely, 2^5641343818 is an apocalyptic number.

5641343818 is a deficient number, since it is larger than the sum of its proper divisors (4138204790).

5641343818 is a wasteful number, since it uses less digits than its factorization.

5641343818 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8118.

The product of its digits is 276480, while the sum is 43.

The square root of 5641343818 is about 75108.8797546602. The cubic root of 5641343818 is about 1780.1674523692.

The spelling of 5641343818 in words is "five billion, six hundred forty-one million, three hundred forty-three thousand, eight hundred eighteen".