64688512003 has 2 divisors, whose sum is σ = 64688512004. Its totient is φ = 64688512002.

The previous prime is 64688511997. The next prime is 64688512037. The reversal of 64688512003 is 30021588646.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 64688512003 - 2⁵ = 64688511971 is a prime.

It is not a weakly prime, because it can be changed into another prime (64688512093) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 32344256001 + 32344256002.

It is an arithmetic number, because the mean of its divisors is an integer number (32344256002).

Almost surely, 2^64688512003 is an apocalyptic number.

64688512003 is a deficient number, since it is larger than the sum of its proper divisors (1).

64688512003 is an equidigital number, since it uses as much as digits as its factorization.

64688512003 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 276480, while the sum is 43.

The spelling of 64688512003 in words is "sixty-four billion, six hundred eighty-eight million, five hundred twelve thousand, three".