64004035009 has 2 divisors, whose sum is σ = 64004035010. Its totient is φ = 64004035008.

The previous prime is 64004034973. The next prime is 64004035031. The reversal of 64004035009 is 90053040046.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 63552897409 + 451137600 = 252097^2 + 21240^2 .

It is a cyclic number.

It is not a de Polignac number, because 64004035009 - 2⁷ = 64004034881 is a prime.

It is not a weakly prime, because it can be changed into another prime (64004735009) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 32002017504 + 32002017505.

It is an arithmetic number, because the mean of its divisors is an integer number (32002017505).

Almost surely, 2^64004035009 is an apocalyptic number.

It is an amenable number.

64004035009 is a deficient number, since it is larger than the sum of its proper divisors (1).

64004035009 is an equidigital number, since it uses as much as digits as its factorization.

64004035009 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 12960, while the sum is 31.

The spelling of 64004035009 in words is "sixty-four billion, four million, thirty-five thousand, nine".