649350652 has 12 divisors (see below), whose sum is σ = 1136680776. Its totient is φ = 324584720.

The previous prime is 649350613. The next prime is 649350659. The reversal of 649350652 is 256053946.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (649350659) 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 3 ways as a sum of consecutive naturals, for example, 4999 + ... + 36382.

It is an arithmetic number, because the mean of its divisors is an integer number (94723398).

Almost surely, 2^649350652 is an apocalyptic number.

It is an amenable number.

649350652 is a deficient number, since it is larger than the sum of its proper divisors (487330124).

649350652 is a wasteful number, since it uses less digits than its factorization.

649350652 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45308 (or 45306 counting only the distinct ones).

The product of its (nonzero) digits is 194400, while the sum is 40.

The square root of 649350652 is about 25482.3596238653. The cubic root of 649350652 is about 865.9505524981.

The spelling of 649350652 in words is "six hundred forty-nine million, three hundred fifty thousand, six hundred fifty-two".