3818248443 has 16 divisors (see below), whose sum is σ = 5671844640. Its totient is φ = 2538667872.

The previous prime is 3818248439. The next prime is 3818248459. The reversal of 3818248443 is 3448428183.

It is a happy number.

It is not a de Polignac number, because 3818248443 - 2² = 3818248439 is a prime.

It is not an unprimeable number, because it can be changed into a prime (3818248043) 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, 179496 + ... + 199637.

It is an arithmetic number, because the mean of its divisors is an integer number (354490290).

Almost surely, 2^3818248443 is an apocalyptic number.

3818248443 is a deficient number, since it is larger than the sum of its proper divisors (1853596197).

3818248443 is a wasteful number, since it uses less digits than its factorization.

3818248443 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 379515 (or 379509 counting only the distinct ones).

The product of its digits is 589824, while the sum is 45.

The square root of 3818248443 is about 61791.9771734163. The cubic root of 3818248443 is about 1562.9847037086.

The spelling of 3818248443 in words is "three billion, eight hundred eighteen million, two hundred forty-eight thousand, four hundred forty-three".