649693282 has 16 divisors (see below), whose sum is σ = 1162184832. Its totient is φ = 266333760.

The previous prime is 649693271. The next prime is 649693313. The reversal of 649693282 is 282396946.

It is a happy number.

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 7 ways as a sum of consecutive naturals, for example, 1008519 + ... + 1009162.

It is an arithmetic number, because the mean of its divisors is an integer number (72636552).

Almost surely, 2^649693282 is an apocalyptic number.

649693282 is a deficient number, since it is larger than the sum of its proper divisors (512491550).

649693282 is a wasteful number, since it uses less digits than its factorization.

649693282 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2017713.

The product of its digits is 1119744, while the sum is 49.

The square root of 649693282 is about 25489.0816233147. The cubic root of 649693282 is about 866.1028320446.

The spelling of 649693282 in words is "six hundred forty-nine million, six hundred ninety-three thousand, two hundred eighty-two".