3437216818 has 12 divisors (see below), whose sum is σ = 5997592782. Its totient is φ = 1473092880.

The previous prime is 3437216801. The next prime is 3437216873. The reversal of 3437216818 is 8186127343.

It can be written as a sum of positive squares in only one way, i.e., 3310046089 + 127170729 = 57533^2 + 11277^2 .

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 in 5 ways as a sum of consecutive naturals, for example, 17536723 + ... + 17536918.

Almost surely, 2^3437216818 is an apocalyptic number.

3437216818 is a deficient number, since it is larger than the sum of its proper divisors (2560375964).

3437216818 is a wasteful number, since it uses less digits than its factorization.

3437216818 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35073657 (or 35073650 counting only the distinct ones).

The product of its digits is 193536, while the sum is 43.

The square root of 3437216818 is about 58627.7819638437. The cubic root of 3437216818 is about 1509.1612402459.

The spelling of 3437216818 in words is "three billion, four hundred thirty-seven million, two hundred sixteen thousand, eight hundred eighteen".