64820683214 has 24 divisors (see below), whose sum is σ = 119058401160. Its totient is φ = 26318171376.

The previous prime is 64820683141. The next prime is 64820683219. The reversal of 64820683214 is 41238602846.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (64820683219) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 17404337 + ... + 17408060.

It is an arithmetic number, because the mean of its divisors is an integer number (4960766715).

Almost surely, 2^64820683214 is an apocalyptic number.

64820683214 is a deficient number, since it is larger than the sum of its proper divisors (54237717946).

64820683214 is a wasteful number, since it uses less digits than its factorization.

64820683214 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34812432 (or 34812425 counting only the distinct ones).

The product of its (nonzero) digits is 442368, while the sum is 44.

The spelling of 64820683214 in words is "sixty-four billion, eight hundred twenty million, six hundred eighty-three thousand, two hundred fourteen".