4393048918 has 4 divisors (see below), whose sum is σ = 6589573380. Its totient is φ = 2196524458.

The previous prime is 4393048859. The next prime is 4393048939. The reversal of 4393048918 is 8198403934.

It is a semiprime because it is the product of two primes.

It is a Smith number, since the sum of its digits (49) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1098262228 + ... + 1098262231.

It is an arithmetic number, because the mean of its divisors is an integer number (1647393345).

Almost surely, 2^4393048918 is an apocalyptic number.

4393048918 is a deficient number, since it is larger than the sum of its proper divisors (2196524462).

4393048918 is a wasteful number, since it uses less digits than its factorization.

4393048918 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2196524461.

The product of its (nonzero) digits is 746496, while the sum is 49.

The square root of 4393048918 is about 66280.0793451547. The cubic root of 4393048918 is about 1637.7791819542.

The spelling of 4393048918 in words is "four billion, three hundred ninety-three million, forty-eight thousand, nine hundred eighteen".