64022478352321 has 2 divisors, whose sum is σ = 64022478352322. Its totient is φ = 64022478352320.

The previous prime is 64022478352319. The next prime is 64022478352369. The reversal of 64022478352321 is 12325387422046.

64022478352321 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., 64022081904400 + 396447921 = 8001380^2 + 19911^2 .

It is a cyclic number.

It is not a de Polignac number, because 64022478352321 - 2¹ = 64022478352319 is a prime.

It is a super-2 number, since 2×64022478352321² (a number of 28 digits) contains 22 as substring.

Together with 64022478352319, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (64022478356321) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 32011239176160 + 32011239176161.

It is an arithmetic number, because the mean of its divisors is an integer number (32011239176161).

Almost surely, 2^{64022478352321} is an apocalyptic number.

It is an amenable number.

64022478352321 is a deficient number, since it is larger than the sum of its proper divisors (1).

64022478352321 is an equidigital number, since it uses as much as digits as its factorization.

64022478352321 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3870720, while the sum is 49.

The spelling of 64022478352321 in words is "sixty-four trillion, twenty-two billion, four hundred seventy-eight million, three hundred fifty-two thousand, three hundred twenty-one".