649568202 has 16 divisors (see below), whose sum is σ = 1303730400. Its totient is φ = 215757072.

The previous prime is 649568201. The next prime is 649568233. The reversal of 649568202 is 202865946.

It is not an unprimeable number, because it can be changed into a prime (649568201) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 189577 + ... + 192972.

It is an arithmetic number, because the mean of its divisors is an integer number (81483150).

Almost surely, 2^649568202 is an apocalyptic number.

649568202 is an abundant number, since it is smaller than the sum of its proper divisors (654162198).

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

649568202 is a wasteful number, since it uses less digits than its factorization.

649568202 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 382837.

The product of its (nonzero) digits is 207360, while the sum is 42.

The square root of 649568202 is about 25486.6279056293. The cubic root of 649568202 is about 866.0472473053.

The spelling of 649568202 in words is "six hundred forty-nine million, five hundred sixty-eight thousand, two hundred two".