3387218868385 has 16 divisors (see below), whose sum is σ = 4434229941120. Its totient is φ = 2463402730240.

The previous prime is 3387218868361. The next prime is 3387218868421. The reversal of 3387218868385 is 5838688127833.

It is not a de Polignac number, because 3387218868385 - 2¹¹ = 3387218866337 is a prime.

It is a super-2 number, since 2×3387218868385² (a number of 26 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5044521 + ... + 5676409.

It is an arithmetic number, because the mean of its divisors is an integer number (277139371320).

Almost surely, 2^{3387218868385} is an apocalyptic number.

It is an amenable number.

3387218868385 is a deficient number, since it is larger than the sum of its proper divisors (1047011072735).

3387218868385 is a wasteful number, since it uses less digits than its factorization.

3387218868385 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 729368.

The product of its digits is 371589120, while the sum is 70.

The spelling of 3387218868385 in words is "three trillion, three hundred eighty-seven billion, two hundred eighteen million, eight hundred sixty-eight thousand, three hundred eighty-five".