3214343678681 has 2 divisors, whose sum is σ = 3214343678682. Its totient is φ = 3214343678680.

The previous prime is 3214343678641. The next prime is 3214343678743. The reversal of 3214343678681 is 1868763434123.

3214343678681 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2724216270400 + 490127408281 = 1650520^2 + 700091^2 .

It is a cyclic number.

It is not a de Polignac number, because 3214343678681 - 2⁶ = 3214343678617 is a prime.

It is a super-2 number, since 2×3214343678681² (a number of 26 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (3214343678641) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1607171839340 + 1607171839341.

It is an arithmetic number, because the mean of its divisors is an integer number (1607171839341).

Almost surely, 2^{3214343678681} is an apocalyptic number.

It is an amenable number.

3214343678681 is a deficient number, since it is larger than the sum of its proper divisors (1).

3214343678681 is an equidigital number, since it uses as much as digits as its factorization.

3214343678681 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 13934592, while the sum is 56.

The spelling of 3214343678681 in words is "three trillion, two hundred fourteen billion, three hundred forty-three million, six hundred seventy-eight thousand, six hundred eighty-one".