64805063073 has 8 divisors (see below), whose sum is σ = 86467307808. Its totient is φ = 43173096864.

The previous prime is 64805063069. The next prime is 64805063087. The reversal of 64805063073 is 37036050846.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 64805063073 - 2² = 64805063069 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (64805063003) 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 in 7 ways as a sum of consecutive naturals, for example, 7564636 + ... + 7573197.

It is an arithmetic number, because the mean of its divisors is an integer number (10808413476).

Almost surely, 2^64805063073 is an apocalyptic number.

It is an amenable number.

64805063073 is a deficient number, since it is larger than the sum of its proper divisors (21662244735).

64805063073 is a wasteful number, since it uses less digits than its factorization.

64805063073 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15139263.

The product of its (nonzero) digits is 362880, while the sum is 42.

The spelling of 64805063073 in words is "sixty-four billion, eight hundred five million, sixty-three thousand, seventy-three".