650334097261 has 4 divisors (see below), whose sum is σ = 653602108000. Its totient is φ = 647066086524.

The previous prime is 650334097243. The next prime is 650334097297. The reversal of 650334097261 is 162790433056.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 650334097261 - 2¹⁵ = 650334064493 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (650334097211) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1634005071 + ... + 1634005468.

It is an arithmetic number, because the mean of its divisors is an integer number (163400527000).

Almost surely, 2^650334097261 is an apocalyptic number.

It is an amenable number.

650334097261 is a deficient number, since it is larger than the sum of its proper divisors (3268010739).

650334097261 is a wasteful number, since it uses less digits than its factorization.

650334097261 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3268010738.

The product of its (nonzero) digits is 816480, while the sum is 46.

The spelling of 650334097261 in words is "six hundred fifty billion, three hundred thirty-four million, ninety-seven thousand, two hundred sixty-one".