649705536284 has 12 divisors (see below), whose sum is σ = 1299411072624. Its totient is φ = 278445229824.

The previous prime is 649705536281. The next prime is 649705536341. The reversal of 649705536284 is 482635507946.

649705536284 is an admirable number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (649705536281) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11601884549 + ... + 11601884604.

It is an arithmetic number, because the mean of its divisors is an integer number (108284256052).

Almost surely, 2^649705536284 is an apocalyptic number.

It is an amenable number.

649705536284 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

649705536284 is a wasteful number, since it uses less digits than its factorization.

649705536284 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23203769164 (or 23203769162 counting only the distinct ones).

The product of its (nonzero) digits is 43545600, while the sum is 59.

The spelling of 649705536284 in words is "six hundred forty-nine billion, seven hundred five million, five hundred thirty-six thousand, two hundred eighty-four".