64022478352237 has 2 divisors, whose sum is σ = 64022478352238. Its totient is φ = 64022478352236.

The previous prime is 64022478352223. The next prime is 64022478352279. The reversal of 64022478352237 is 73225387422046.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 61733533270761 + 2288945081476 = 7857069^2 + 1512926^2 .

It is a cyclic number.

It is not a de Polignac number, because 64022478352237 - 2⁷ = 64022478352109 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (64022478352207) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 32011239176118 + 32011239176119.

It is an arithmetic number, because the mean of its divisors is an integer number (32011239176119).

Almost surely, 2^{64022478352237} is an apocalyptic number.

It is an amenable number.

64022478352237 is a deficient number, since it is larger than the sum of its proper divisors (1).

64022478352237 is an equidigital number, since it uses as much as digits as its factorization.

64022478352237 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 27095040, while the sum is 55.

The spelling of 64022478352237 in words is "sixty-four trillion, twenty-two billion, four hundred seventy-eight million, three hundred fifty-two thousand, two hundred thirty-seven".