649244716 has 12 divisors (see below), whose sum is σ = 1154804560. Its totient is φ = 319300560.

The previous prime is 649244677. The next prime is 649244737. The reversal of 649244716 is 617442946.

It is a hoax number, since the sum of its digits (43) coincides with the sum of the digits of its distinct prime factors.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1330176 + ... + 1330663.

Almost surely, 2^649244716 is an apocalyptic number.

It is an amenable number.

649244716 is a deficient number, since it is larger than the sum of its proper divisors (505559844).

649244716 is a wasteful number, since it uses less digits than its factorization.

649244716 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2660904 (or 2660902 counting only the distinct ones).

The product of its digits is 290304, while the sum is 43.

The square root of 649244716 is about 25480.2809246680. The cubic root of 649244716 is about 865.9034591306.

The spelling of 649244716 in words is "six hundred forty-nine million, two hundred forty-four thousand, seven hundred sixteen".