3218008355546 has 4 divisors (see below), whose sum is σ = 4827012533322. Its totient is φ = 1609004177772.

The previous prime is 3218008355539. The next prime is 3218008355629. The reversal of 3218008355546 is 6455538008123.

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

It can be written as a sum of positive squares in only one way, i.e., 3090229989025 + 127778366521 = 1757905^2 + 357461^2 .

It is a super-2 number, since 2×3218008355546² (a number of 26 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 3218008355494 and 3218008355503.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 804502088885 + ... + 804502088888.

Almost surely, 2^{3218008355546} is an apocalyptic number.

3218008355546 is a deficient number, since it is larger than the sum of its proper divisors (1609004177776).

3218008355546 is a wasteful number, since it uses less digits than its factorization.

3218008355546 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1609004177775.

The product of its (nonzero) digits is 3456000, while the sum is 50.

The spelling of 3218008355546 in words is "three trillion, two hundred eighteen billion, eight million, three hundred fifty-five thousand, five hundred forty-six".