64306818683 has 4 divisors (see below), whose sum is σ = 64875905688. Its totient is φ = 63737731680.

The previous prime is 64306818623. The next prime is 64306818701. The reversal of 64306818683 is 38681860346.

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

It is a cyclic number.

It is not a de Polignac number, because 64306818683 - 2¹² = 64306814587 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (64306818623) 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, 284543333 + ... + 284543558.

It is an arithmetic number, because the mean of its divisors is an integer number (16218976422).

Almost surely, 2^64306818683 is an apocalyptic number.

64306818683 is a deficient number, since it is larger than the sum of its proper divisors (569087005).

64306818683 is a wasteful number, since it uses less digits than its factorization.

64306818683 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 569087004.

The product of its (nonzero) digits is 3981312, while the sum is 53.

The spelling of 64306818683 in words is "sixty-four billion, three hundred six million, eight hundred eighteen thousand, six hundred eighty-three".