64285350646 has 16 divisors (see below), whose sum is σ = 107432386560. Its totient is φ = 28598898280.

The previous prime is 64285350529. The next prime is 64285350673. The reversal of 64285350646 is 64605358246.

It is a self number, because there is not a number n which added to its sum of digits gives 64285350646.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 31084726 + ... + 31086793.

It is an arithmetic number, because the mean of its divisors is an integer number (6714524160).

Almost surely, 2^64285350646 is an apocalyptic number.

64285350646 is a deficient number, since it is larger than the sum of its proper divisors (43147035914).

64285350646 is a wasteful number, since it uses less digits than its factorization.

64285350646 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 62171579.

The product of its (nonzero) digits is 4147200, while the sum is 49.

The spelling of 64285350646 in words is "sixty-four billion, two hundred eighty-five million, three hundred fifty thousand, six hundred forty-six".