2651341303321 has 2 divisors, whose sum is σ = 2651341303322. Its totient is φ = 2651341303320.

The previous prime is 2651341303309. The next prime is 2651341303339. The reversal of 2651341303321 is 1233031431562.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1627270166025 + 1024071137296 = 1275645^2 + 1011964^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2651341303321 is a prime.

It is a super-2 number, since 2×2651341303321² (a number of 26 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (2651341303361) by changing a digit.

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 as a sum of consecutive naturals, namely, 1325670651660 + 1325670651661.

It is an arithmetic number, because the mean of its divisors is an integer number (1325670651661).

Almost surely, 2^{2651341303321} is an apocalyptic number.

It is an amenable number.

2651341303321 is a deficient number, since it is larger than the sum of its proper divisors (1).

2651341303321 is an equidigital number, since it uses as much as digits as its factorization.

2651341303321 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 38880, while the sum is 34.

Adding to 2651341303321 its reverse (1233031431562), we get a palindrome (3884372734883).

The spelling of 2651341303321 in words is "two trillion, six hundred fifty-one billion, three hundred forty-one million, three hundred three thousand, three hundred twenty-one".