3449621208864 has 24 divisors (see below), whose sum is σ = 9055255673520. Its totient is φ = 1149873736256.

The previous prime is 3449621208857. The next prime is 3449621208889. The reversal of 3449621208864 is 4688021269443.

It is a tau number, because it is divible by the number of its divisors (24).

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 17966777034 + ... + 17966777225.

It is an arithmetic number, because the mean of its divisors is an integer number (377302319730).

Almost surely, 2^{3449621208864} is an apocalyptic number.

It is an amenable number.

3449621208864 is an abundant number, since it is smaller than the sum of its proper divisors (5605634464656).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

3449621208864 is a wasteful number, since it uses less digits than its factorization.

3449621208864 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35933554272 (or 35933554264 counting only the distinct ones).

The product of its (nonzero) digits is 15925248, while the sum is 57.

The spelling of 3449621208864 in words is "three trillion, four hundred forty-nine billion, six hundred twenty-one million, two hundred eight thousand, eight hundred sixty-four".