3218670799946 has 16 divisors (see below), whose sum is σ = 5707987626240. Its totient is φ = 1331863779120.

The previous prime is 3218670799919. The next prime is 3218670799969. The reversal of 3218670799946 is 6499970768123.

It is a self number, because there is not a number n which added to its sum of digits gives 3218670799946.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3963879890 + ... + 3963880701.

It is an arithmetic number, because the mean of its divisors is an integer number (356749226640).

Almost surely, 2^{3218670799946} is an apocalyptic number.

3218670799946 is a deficient number, since it is larger than the sum of its proper divisors (2489316826294).

3218670799946 is a wasteful number, since it uses less digits than its factorization.

3218670799946 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7927760629.

The product of its (nonzero) digits is 246903552, while the sum is 71.

The spelling of 3218670799946 in words is "three trillion, two hundred eighteen billion, six hundred seventy million, seven hundred ninety-nine thousand, nine hundred forty-six".