42846826580321 has 2 divisors, whose sum is σ = 42846826580322. Its totient is φ = 42846826580320.

The previous prime is 42846826580279. The next prime is 42846826580323. The reversal of 42846826580321 is 12308562864824.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 42589002300625 + 257824279696 = 6526025^2 + 507764^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-42846826580321 is a prime.

Together with 42846826580323, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (42846826580323) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21423413290160 + 21423413290161.

It is an arithmetic number, because the mean of its divisors is an integer number (21423413290161).

Almost surely, 2^{42846826580321} is an apocalyptic number.

It is an amenable number.

42846826580321 is a deficient number, since it is larger than the sum of its proper divisors (1).

42846826580321 is an equidigital number, since it uses as much as digits as its factorization.

42846826580321 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 35389440, while the sum is 59.

The spelling of 42846826580321 in words is "forty-two trillion, eight hundred forty-six billion, eight hundred twenty-six million, five hundred eighty thousand, three hundred twenty-one".