3403921680784 has 45 divisors (see below), whose sum is σ = 6617983429857. Its totient is φ = 1696075379712.

The previous prime is 3403921680773. The next prime is 3403921680829. The reversal of 3403921680784 is 4870861293043.

The square root of 3403921680784 is 1844972.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in only one way, i.e., 1142290688400 + 2261630992384 = 1068780^2 + 1503872^2 .

It is a super-2 number, since 2×3403921680784² (a number of 26 digits) contains 22 as substring.

It is a Duffinian number.

It is an unprimeable number.

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 8 ways as a sum of consecutive naturals, for example, 2796976944 + ... + 2796978160.

Almost surely, 2^{3403921680784} is an apocalyptic number.

3403921680784 is the 1844972-nd square number.

It is an amenable number.

3403921680784 is a deficient number, since it is larger than the sum of its proper divisors (3214061749073).

3403921680784 is an frugal number, since it uses more digits than its factorization.

3403921680784 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3200 (or 1598 counting only the distinct ones).

The product of its (nonzero) digits is 6967296, while the sum is 55.

The spelling of 3403921680784 in words is "three trillion, four hundred three billion, nine hundred twenty-one million, six hundred eighty thousand, seven hundred eighty-four".