3345944818 has 4 divisors (see below), whose sum is σ = 5018917230. Its totient is φ = 1672972408.

The previous prime is 3345944773. The next prime is 3345944863. The reversal of 3345944818 is 8184495433.

It is a happy number.

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

It is an interprime number because it is at equal distance from previous prime (3345944773) and next prime (3345944863).

It can be written as a sum of positive squares in only one way, i.e., 1705937809 + 1640007009 = 41303^2 + 40497^2 .

It is a super-2 number, since 2×3345944818² = 22390693450202106248, which contains 22 as substring.

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 an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 836486203 + ... + 836486206.

Almost surely, 2^3345944818 is an apocalyptic number.

3345944818 is a deficient number, since it is larger than the sum of its proper divisors (1672972412).

3345944818 is a wasteful number, since it uses less digits than its factorization.

3345944818 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1672972411.

The product of its digits is 1658880, while the sum is 49.

The square root of 3345944818 is about 57844.1424692250. The cubic root of 3345944818 is about 1495.6831168573.

The spelling of 3345944818 in words is "three billion, three hundred forty-five million, nine hundred forty-four thousand, eight hundred eighteen".