722676214321 has 2 divisors, whose sum is σ = 722676214322. Its totient is φ = 722676214320.

The previous prime is 722676214307. The next prime is 722676214397. The reversal of 722676214321 is 123412676227.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 376338079296 + 346338135025 = 613464^2 + 588505^2 .

It is a cyclic number.

It is not a de Polignac number, because 722676214321 - 2¹¹ = 722676212273 is a prime.

It is not a weakly prime, because it can be changed into another prime (722676214621) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 361338107160 + 361338107161.

It is an arithmetic number, because the mean of its divisors is an integer number (361338107161).

Almost surely, 2^722676214321 is an apocalyptic number.

It is an amenable number.

722676214321 is a deficient number, since it is larger than the sum of its proper divisors (1).

722676214321 is an equidigital number, since it uses as much as digits as its factorization.

722676214321 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 338688, while the sum is 43.

The spelling of 722676214321 in words is "seven hundred twenty-two billion, six hundred seventy-six million, two hundred fourteen thousand, three hundred twenty-one".