650648730384 has 45 divisors (see below), whose sum is σ = 1820939855943. Its totient is φ = 216879683616.

The previous prime is 650648730379. The next prime is 650648730449. The reversal of 650648730384 is 483037846056.

The square root of 650648730384 is 806628.

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

650648730384 is a `hidden beast` number, since 6 + 50 + 6 + 487 + 30 + 3 + 84 = 666.

It is a super-2 number, since 2×650648730384² (a number of 24 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 650648730384.

It is an unprimeable number.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 9645927 + ... + 9713145.

Almost surely, 2^650648730384 is an apocalyptic number.

650648730384 is the 806628-th square number.

It is an amenable number.

650648730384 is an abundant number, since it is smaller than the sum of its proper divisors (1170291125559).

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

650648730384 is an frugal number, since it uses more digits than its factorization.

650648730384 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 134452 (or 67224 counting only the distinct ones).

The product of its (nonzero) digits is 11612160, while the sum is 54.

The spelling of 650648730384 in words is "six hundred fifty billion, six hundred forty-eight million, seven hundred thirty thousand, three hundred eighty-four".