64064443 has 2 divisors, whose sum is σ = 64064444. Its totient is φ = 64064442.

The previous prime is 64064419. The next prime is 64064467. The reversal of 64064443 is 34446046.

It is a balanced prime because it is at equal distance from previous prime (64064419) and next prime (64064467).

It is a cyclic number.

It is not a de Polignac number, because 64064443 - 2⁵ = 64064411 is a prime.

It is not a weakly prime, because it can be changed into another prime (64064543) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 32032221 + 32032222.

It is an arithmetic number, because the mean of its divisors is an integer number (32032222).

Almost surely, 2^64064443 is an apocalyptic number.

64064443 is a deficient number, since it is larger than the sum of its proper divisors (1).

64064443 is an equidigital number, since it uses as much as digits as its factorization.

64064443 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 27648, while the sum is 31.

The square root of 64064443 is about 8004.0266741185. The cubic root of 64064443 is about 400.1342112133.

The spelling of 64064443 in words is "sixty-four million, sixty-four thousand, four hundred forty-three".