650256266346625 has 32 divisors (see below), whose sum is σ = 859279200519168. Its totient is φ = 489591658310400.

The previous prime is 650256266346581. The next prime is 650256266346649. The reversal of 650256266346625 is 526643662652056.

It is not a de Polignac number, because 650256266346625 - 2⁴¹ = 648057243091073 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 75971494 + ... + 84096256.

It is an arithmetic number, because the mean of its divisors is an integer number (26852475016224).

Almost surely, 2^{650256266346625} is an apocalyptic number.

It is an amenable number.

650256266346625 is a deficient number, since it is larger than the sum of its proper divisors (209022934172543).

650256266346625 is a wasteful number, since it uses less digits than its factorization.

650256266346625 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8162458 (or 8162448 counting only the distinct ones).

The product of its (nonzero) digits is 559872000, while the sum is 64.

The spelling of 650256266346625 in words is "six hundred fifty trillion, two hundred fifty-six billion, two hundred sixty-six million, three hundred forty-six thousand, six hundred twenty-five".