649604510 has 16 divisors (see below), whose sum is σ = 1238070096. Its totient is φ = 244556928.

The previous prime is 649604507. The next prime is 649604521. The reversal of 649604510 is 15406946.

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, 1910432 + ... + 1910771.

It is an arithmetic number, because the mean of its divisors is an integer number (77379381).

Almost surely, 2^649604510 is an apocalyptic number.

649604510 is a deficient number, since it is larger than the sum of its proper divisors (588465586).

649604510 is a wasteful number, since it uses less digits than its factorization.

649604510 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3821227.

The product of its (nonzero) digits is 25920, while the sum is 35.

The square root of 649604510 is about 25487.3401907692. The cubic root of 649604510 is about 866.0633830796.

The spelling of 649604510 in words is "six hundred forty-nine million, six hundred four thousand, five hundred ten".