649436662 has 16 divisors (see below), whose sum is σ = 1120154112. Its totient is φ = 276621480.

The previous prime is 649436657. The next prime is 649436677. The reversal of 649436662 is 266634946.

It is a congruent number.

It is an unprimeable number.

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, 140014 + ... + 144577.

It is an arithmetic number, because the mean of its divisors is an integer number (70009632).

Almost surely, 2^649436662 is an apocalyptic number.

649436662 is a deficient number, since it is larger than the sum of its proper divisors (470717450).

649436662 is a wasteful number, since it uses less digits than its factorization.

649436662 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 284763.

The product of its digits is 1119744, while the sum is 46.

The square root of 649436662 is about 25484.0472060464. The cubic root of 649436662 is about 865.9887840856.

The spelling of 649436662 in words is "six hundred forty-nine million, four hundred thirty-six thousand, six hundred sixty-two".