64315843159 has 4 divisors (see below), whose sum is σ = 64327051800. Its totient is φ = 64304634520.

The previous prime is 64315843099. The next prime is 64315843177. The reversal of 64315843159 is 95134851346.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-64315843159 is a prime.

It is a Smith number, since the sum of its digits (49) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (64310843159) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5595709 + ... + 5607190.

It is an arithmetic number, because the mean of its divisors is an integer number (16081762950).

Almost surely, 2^64315843159 is an apocalyptic number.

64315843159 is a deficient number, since it is larger than the sum of its proper divisors (11208641).

64315843159 is a wasteful number, since it uses less digits than its factorization.

64315843159 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11208640.

The product of its digits is 1555200, while the sum is 49.

The spelling of 64315843159 in words is "sixty-four billion, three hundred fifteen million, eight hundred forty-three thousand, one hundred fifty-nine".