3344666464521 has 16 divisors (see below), whose sum is σ = 5088982009600. Its totient is φ = 2169513381744.

The previous prime is 3344666464493. The next prime is 3344666464561. The reversal of 3344666464521 is 1254646664433.

It is not a de Polignac number, because 3344666464521 - 2²⁵ = 3344632910089 is a prime.

It is a super-2 number, since 2×3344666464521² (a number of 26 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3344666464561) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1674006241 + ... + 1674008238.

It is an arithmetic number, because the mean of its divisors is an integer number (318061375600).

Almost surely, 2^{3344666464521} is an apocalyptic number.

It is an amenable number.

3344666464521 is a deficient number, since it is larger than the sum of its proper divisors (1744315545079).

3344666464521 is a wasteful number, since it uses less digits than its factorization.

3344666464521 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3348014525 (or 3348014519 counting only the distinct ones).

The product of its digits is 29859840, while the sum is 54.

The spelling of 3344666464521 in words is "three trillion, three hundred forty-four billion, six hundred sixty-six million, four hundred sixty-four thousand, five hundred twenty-one".