650985970 has 8 divisors (see below), whose sum is σ = 1171774764. Its totient is φ = 260394384.

The previous prime is 650985953. The next prime is 650985971. The reversal of 650985970 is 79589056.

650985970 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 588402049 + 62583921 = 24257^2 + 7911^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (650985971) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 32549289 + ... + 32549308.

Almost surely, 2^650985970 is an apocalyptic number.

650985970 is a deficient number, since it is larger than the sum of its proper divisors (520788794).

650985970 is a wasteful number, since it uses less digits than its factorization.

650985970 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 65098604.

The product of its (nonzero) digits is 680400, while the sum is 49.

The square root of 650985970 is about 25514.4267033379. The cubic root of 650985970 is about 866.6768767699.

The spelling of 650985970 in words is "six hundred fifty million, nine hundred eighty-five thousand, nine hundred seventy".