649283370 has 32 divisors (see below), whose sum is σ = 1559461248. Its totient is φ = 173011008.

The previous prime is 649283357. The next prime is 649283387. The reversal of 649283370 is 73382946.

649283370 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Curzon number.

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, 35932 + ... + 50888.

It is an arithmetic number, because the mean of its divisors is an integer number (48733164).

Almost surely, 2^649283370 is an apocalyptic number.

649283370 is an abundant number, since it is smaller than the sum of its proper divisors (910177878).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

649283370 is a wasteful number, since it uses less digits than its factorization.

649283370 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16414.

The product of its (nonzero) digits is 217728, while the sum is 42.

The square root of 649283370 is about 25481.0394214993. The cubic root of 649283370 is about 865.9206431842.

The spelling of 649283370 in words is "six hundred forty-nine million, two hundred eighty-three thousand, three hundred seventy".