650727412 has 6 divisors (see below), whose sum is σ = 1138772978. Its totient is φ = 325363704.

The previous prime is 650727401. The next prime is 650727419. The reversal of 650727412 is 214727056.

It can be written as a sum of positive squares in only one way, i.e., 511392996 + 139334416 = 22614^2 + 11804^2 .

It is an alternating number because its digits alternate between even and odd.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (650727419) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 81340923 + ... + 81340930.

Almost surely, 2^650727412 is an apocalyptic number.

It is an amenable number.

650727412 is a deficient number, since it is larger than the sum of its proper divisors (488045566).

650727412 is a wasteful number, since it uses less digits than its factorization.

650727412 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 162681857 (or 162681855 counting only the distinct ones).

The product of its (nonzero) digits is 23520, while the sum is 34.

The square root of 650727412 is about 25509.3593020287. The cubic root of 650727412 is about 866.5621196045.

The spelling of 650727412 in words is "six hundred fifty million, seven hundred twenty-seven thousand, four hundred twelve".