649169330 has 32 divisors (see below), whose sum is σ = 1205124480. Its totient is φ = 251655040.

The previous prime is 649169317. The next prime is 649169369. The reversal of 649169330 is 33961946.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 34142 + ... + 49638.

It is an arithmetic number, because the mean of its divisors is an integer number (37660140).

Almost surely, 2^649169330 is an apocalyptic number.

649169330 is a deficient number, since it is larger than the sum of its proper divisors (555955150).

649169330 is a wasteful number, since it uses less digits than its factorization.

649169330 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15634.

The product of its (nonzero) digits is 104976, while the sum is 41.

The square root of 649169330 is about 25478.8015809221. The cubic root of 649169330 is about 865.8699435068.

The spelling of 649169330 in words is "six hundred forty-nine million, one hundred sixty-nine thousand, three hundred thirty".