650617741264 has 10 divisors (see below), whose sum is σ = 1260571873730. Its totient is φ = 325308870624.

The previous prime is 650617741259. The next prime is 650617741303. The reversal of 650617741264 is 462147716056.

It can be written as a sum of positive squares in only one way, i.e., 582657422400 + 67960318864 = 763320^2 + 260692^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20331804399 + ... + 20331804430.

It is an arithmetic number, because the mean of its divisors is an integer number (126057187373).

Almost surely, 2^650617741264 is an apocalyptic number.

It is an amenable number.

650617741264 is a deficient number, since it is larger than the sum of its proper divisors (609954132466).

650617741264 is a wasteful number, since it uses less digits than its factorization.

650617741264 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40663608837 (or 40663608831 counting only the distinct ones).

The product of its (nonzero) digits is 1693440, while the sum is 49.

The spelling of 650617741264 in words is "six hundred fifty billion, six hundred seventeen million, seven hundred forty-one thousand, two hundred sixty-four".