64803591245 has 8 divisors (see below), whose sum is σ = 77816826360. Its totient is φ = 51807861760.

The previous prime is 64803591241. The next prime is 64803591247. The reversal of 64803591245 is 54219530846.

It can be written as a sum of positive squares in 4 ways, for example, as 463239529 + 64340351716 = 21523^2 + 253654^2 .

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

It is not a de Polignac number, because 64803591245 - 2² = 64803591241 is a prime.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 64803591245.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (64803591241) 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 in 7 ways as a sum of consecutive naturals, for example, 4368260 + ... + 4383069.

It is an arithmetic number, because the mean of its divisors is an integer number (9727103295).

Almost surely, 2^64803591245 is an apocalyptic number.

It is an amenable number.

64803591245 is a deficient number, since it is larger than the sum of its proper divisors (13013235115).

64803591245 is a wasteful number, since it uses less digits than its factorization.

64803591245 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8752815.

The product of its (nonzero) digits is 1036800, while the sum is 47.

The spelling of 64803591245 in words is "sixty-four billion, eight hundred three million, five hundred ninety-one thousand, two hundred forty-five".