64022478352369 has 2 divisors, whose sum is σ = 64022478352370. Its totient is φ = 64022478352368.

The previous prime is 64022478352321. The next prime is 64022478352411. The reversal of 64022478352369 is 96325387422046.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 63962005640625 + 60472711744 = 7997625^2 + 245912^2 .

It is a cyclic number.

It is not a de Polignac number, because 64022478352369 - 2¹⁷ = 64022478221297 is a prime.

It is a super-2 number, since 2×64022478352369² (a number of 28 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (64022478352319) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 32011239176184 + 32011239176185.

It is an arithmetic number, because the mean of its divisors is an integer number (32011239176185).

Almost surely, 2^{64022478352369} is an apocalyptic number.

It is an amenable number.

64022478352369 is a deficient number, since it is larger than the sum of its proper divisors (1).

64022478352369 is an equidigital number, since it uses as much as digits as its factorization.

64022478352369 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 104509440, while the sum is 61.

The spelling of 64022478352369 in words is "sixty-four trillion, twenty-two billion, four hundred seventy-eight million, three hundred fifty-two thousand, three hundred sixty-nine".