3218172425848 has 16 divisors (see below), whose sum is σ = 6389018786880. Its totient is φ = 1514434082688.

The previous prime is 3218172425801. The next prime is 3218172425849. The reversal of 3218172425848 is 8485242718123.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3218172425849) 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, 11831516136 + ... + 11831516407.

It is an arithmetic number, because the mean of its divisors is an integer number (399313674180).

Almost surely, 2^{3218172425848} is an apocalyptic number.

It is an amenable number.

3218172425848 is a deficient number, since it is larger than the sum of its proper divisors (3170846361032).

3218172425848 is a wasteful number, since it uses less digits than its factorization.

3218172425848 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23663032566 (or 23663032562 counting only the distinct ones).

The product of its digits is 6881280, while the sum is 55.

The spelling of 3218172425848 in words is "three trillion, two hundred eighteen billion, one hundred seventy-two million, four hundred twenty-five thousand, eight hundred forty-eight".