6457433818 has 32 divisors (see below), whose sum is σ = 10653508800. Its totient is φ = 2911148160.

The previous prime is 6457433809. The next prime is 6457433819. The reversal of 6457433818 is 8183347546.

It is not an unprimeable number, because it can be changed into a prime (6457433819) 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, 3385221 + ... + 3387127.

It is an arithmetic number, because the mean of its divisors is an integer number (332922150).

Almost surely, 2^6457433818 is an apocalyptic number.

6457433818 is a deficient number, since it is larger than the sum of its proper divisors (4196074982).

6457433818 is a wasteful number, since it uses less digits than its factorization.

6457433818 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3102.

The product of its digits is 1935360, while the sum is 49.

The square root of 6457433818 is about 80358.1596230277. The cubic root of 6457433818 is about 1862.1728391796.

The spelling of 6457433818 in words is "six billion, four hundred fifty-seven million, four hundred thirty-three thousand, eight hundred eighteen".