649302066122 has 32 divisors (see below), whose sum is σ = 1054520657280. Its totient is φ = 298921613760.

The previous prime is 649302066121. The next prime is 649302066139. The reversal of 649302066122 is 221660203946.

It is a self number, because there is not a number n which added to its sum of digits gives 649302066122.

It is not an unprimeable number, because it can be changed into a prime (649302066121) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 293693 + ... + 1176800.

It is an arithmetic number, because the mean of its divisors is an integer number (32953770540).

Almost surely, 2^649302066122 is an apocalyptic number.

649302066122 is a deficient number, since it is larger than the sum of its proper divisors (405218591158).

649302066122 is a wasteful number, since it uses less digits than its factorization.

649302066122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1470878.

The product of its (nonzero) digits is 186624, while the sum is 41.

The spelling of 649302066122 in words is "six hundred forty-nine billion, three hundred two million, sixty-six thousand, one hundred twenty-two".