64066433 has 2 divisors, whose sum is σ = 64066434. Its totient is φ = 64066432.

The previous prime is 64066417. The next prime is 64066441. The reversal of 64066433 is 33466046.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 52823824 + 11242609 = 7268^2 + 3353^2 .

It is a cyclic number.

It is not a de Polignac number, because 64066433 - 2⁴ = 64066417 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 64066433.

It is not a weakly prime, because it can be changed into another prime (64066403) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 32033216 + 32033217.

It is an arithmetic number, because the mean of its divisors is an integer number (32033217).

Almost surely, 2^64066433 is an apocalyptic number.

It is an amenable number.

64066433 is a deficient number, since it is larger than the sum of its proper divisors (1).

64066433 is an equidigital number, since it uses as much as digits as its factorization.

64066433 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 31104, while the sum is 32.

The square root of 64066433 is about 8004.1509855824. The cubic root of 64066433 is about 400.1383542231.

The spelling of 64066433 in words is "sixty-four million, sixty-six thousand, four hundred thirty-three".