649759482 has 80 divisors (see below), whose sum is σ = 1563769152. Its totient is φ = 200914560.

The previous prime is 649759469. The next prime is 649759483. The reversal of 649759482 is 284957946.

649759482 is a `hidden beast` number, since 6 + 49 + 7 + 594 + 8 + 2 = 666.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is not an unprimeable number, because it can be changed into a prime (649759483) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 193873 + ... + 197195.

Almost surely, 2^649759482 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 649759482, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (781884576).

649759482 is an abundant number, since it is smaller than the sum of its proper divisors (914009670).

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

649759482 is a wasteful number, since it uses less digits than its factorization.

649759482 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3425 (or 3416 counting only the distinct ones).

The product of its digits is 4354560, while the sum is 54.

The square root of 649759482 is about 25490.3801854739. The cubic root of 649759482 is about 866.1322480074.

The spelling of 649759482 in words is "six hundred forty-nine million, seven hundred fifty-nine thousand, four hundred eighty-two".