650806839076 has 9 divisors (see below), whose sum is σ = 1138914791931. Its totient is φ = 325402612812.

The previous prime is 650806839061. The next prime is 650806839077. The reversal of 650806839076 is 670938608056.

The square root of 650806839076 is 806726.

It is a perfect power (a square), and thus also a powerful number.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 650806839076.

It is not an unprimeable number, because it can be changed into a prime (650806839077) by changing a digit.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 1411771 + ... + 1815133.

Almost surely, 2^650806839076 is an apocalyptic number.

650806839076 is the 806726-th square number.

It is an amenable number.

650806839076 is a deficient number, since it is larger than the sum of its proper divisors (488107952855).

650806839076 is an frugal number, since it uses more digits than its factorization.

650806839076 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 806730 (or 403365 counting only the distinct ones).

The product of its (nonzero) digits is 13063680, while the sum is 58.

The spelling of 650806839076 in words is "six hundred fifty billion, eight hundred six million, eight hundred thirty-nine thousand, seventy-six".