3191396456704 has 27 divisors (see below), whose sum is σ = 6370383576193. Its totient is φ = 1595683936768.

The previous prime is 3191396456687. The next prime is 3191396456741. The reversal of 3191396456704 is 4076546931913.

The square root of 3191396456704 is 1786448.

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., 1281605126400 + 1909791330304 = 1132080^2 + 1381952^2 .

It is a super-2 number, since 2×3191396456704² (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 2 ways as a sum of consecutive naturals, for example, 28527342 + ... + 28638994.

Almost surely, 2^{3191396456704} is an apocalyptic number.

3191396456704 is the 1786448-th square number.

It is an amenable number.

3191396456704 is a deficient number, since it is larger than the sum of its proper divisors (3178987119489).

3191396456704 is an frugal number, since it uses more digits than its factorization.

3191396456704 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 223322 (or 111655 counting only the distinct ones).

The product of its (nonzero) digits is 14696640, while the sum is 58.

It can be divided in two parts, 3191396 and 456704, that added together give a square (3648100 = 1910²).

The spelling of 3191396456704 in words is "three trillion, one hundred ninety-one billion, three hundred ninety-six million, four hundred fifty-six thousand, seven hundred four".