7067861372321 has 8 divisors (see below), whose sum is σ = 7685877868200. Its totient is φ = 6472318203648.

The previous prime is 7067861372311. The next prime is 7067861372323. The reversal of 7067861372321 is 1232731687607.

It can be written as a sum of positive squares in 4 ways, for example, as 3799630141696 + 3268231230625 = 1949264^2 + 1807825^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-7067861372321 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (7067861372323) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5618331146 + ... + 5618332403.

It is an arithmetic number, because the mean of its divisors is an integer number (960734733525).

Almost surely, 2^{7067861372321} is an apocalyptic number.

It is an amenable number.

7067861372321 is a deficient number, since it is larger than the sum of its proper divisors (618016495879).

7067861372321 is a wasteful number, since it uses less digits than its factorization.

7067861372321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11236663603.

The product of its (nonzero) digits is 3556224, while the sum is 53.

The spelling of 7067861372321 in words is "seven trillion, sixty-seven billion, eight hundred sixty-one million, three hundred seventy-two thousand, three hundred twenty-one".