649659110 has 16 divisors (see below), whose sum is σ = 1180741536. Its totient is φ = 257340288.

The previous prime is 649659103. The next prime is 649659113. The reversal of 649659110 is 11956946.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (649659113) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 314339 + ... + 316398.

It is an arithmetic number, because the mean of its divisors is an integer number (73796346).

Almost surely, 2^649659110 is an apocalyptic number.

649659110 is a deficient number, since it is larger than the sum of its proper divisors (531082426).

649659110 is a wasteful number, since it uses less digits than its factorization.

649659110 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 630847.

The product of its (nonzero) digits is 58320, while the sum is 41.

The square root of 649659110 is about 25488.4112882698. The cubic root of 649659110 is about 866.0876469382.

The spelling of 649659110 in words is "six hundred forty-nine million, six hundred fifty-nine thousand, one hundred ten".