650984881844061 has 48 divisors (see below), whose sum is σ = 997281484879680. Its totient is φ = 408052965600000.

The previous prime is 650984881843999. The next prime is 650984881844069. The reversal of 650984881844061 is 160448188489056.

650984881844061 is a `hidden beast` number, since 6 + 5 + 0 + 9 + 8 + 48 + 81 + 8 + 440 + 61 = 666.

It is not a de Polignac number, because 650984881844061 - 2²⁶ = 650984814735197 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (650984881844069) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 14926830 + ... + 39048431.

It is an arithmetic number, because the mean of its divisors is an integer number (20776697601660).

Almost surely, 2^{650984881844061} is an apocalyptic number.

It is an amenable number.

650984881844061 is a deficient number, since it is larger than the sum of its proper divisors (346296603035619).

650984881844061 is a wasteful number, since it uses less digits than its factorization.

650984881844061 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 53975818 (or 53975815 counting only the distinct ones).

The product of its (nonzero) digits is 424673280, while the sum is 72.

The spelling of 650984881844061 in words is "six hundred fifty trillion, nine hundred eighty-four billion, eight hundred eighty-one million, eight hundred forty-four thousand, sixty-one".