650605501601 has 8 divisors (see below), whose sum is σ = 734225644800. Its totient is φ = 571064389840.

The previous prime is 650605501591. The next prime is 650605501699. The reversal of 650605501601 is 106105506056.

650605501601 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a cyclic number.

It is not a de Polignac number, because 650605501601 - 2³⁰ = 649531759777 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (650605501901) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1019757521 + ... + 1019758158.

It is an arithmetic number, because the mean of its divisors is an integer number (91778205600).

Almost surely, 2^650605501601 is an apocalyptic number.

It is an amenable number.

650605501601 is a deficient number, since it is larger than the sum of its proper divisors (83620143199).

650605501601 is a wasteful number, since it uses less digits than its factorization.

650605501601 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2039515719.

The product of its (nonzero) digits is 27000, while the sum is 35.

The spelling of 650605501601 in words is "six hundred fifty billion, six hundred five million, five hundred one thousand, six hundred one".