3428517815818 has 8 divisors (see below), whose sum is σ = 5157102008160. Its totient is φ = 1709483813100.

The previous prime is 3428517815803. The next prime is 3428517815819. The reversal of 3428517815818 is 8185187158243.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (3428517815819) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2387546508 + ... + 2387547943.

It is an arithmetic number, because the mean of its divisors is an integer number (644637751020).

Almost surely, 2^{3428517815818} is an apocalyptic number.

3428517815818 is a deficient number, since it is larger than the sum of its proper divisors (1728584192342).

3428517815818 is a wasteful number, since it uses less digits than its factorization.

3428517815818 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4775094812.

The product of its digits is 17203200, while the sum is 61.

The spelling of 3428517815818 in words is "three trillion, four hundred twenty-eight billion, five hundred seventeen million, eight hundred fifteen thousand, eight hundred eighteen".