650228742545 has 4 divisors (see below), whose sum is σ = 780274491060. Its totient is φ = 520182994032.

The previous prime is 650228742521. The next prime is 650228742587. The reversal of 650228742545 is 545247822056.

650228742545 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 69217400464 + 581011342081 = 263092^2 + 762241^2 .

It is a cyclic number.

It is not a de Polignac number, because 650228742545 - 2⁶ = 650228742481 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 650228742493 and 650228742502.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 65022874250 + ... + 65022874259.

It is an arithmetic number, because the mean of its divisors is an integer number (195068622765).

Almost surely, 2^650228742545 is an apocalyptic number.

It is an amenable number.

650228742545 is a deficient number, since it is larger than the sum of its proper divisors (130045748515).

650228742545 is a wasteful number, since it uses less digits than its factorization.

650228742545 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 130045748514.

The product of its (nonzero) digits is 5376000, while the sum is 50.

The spelling of 650228742545 in words is "six hundred fifty billion, two hundred twenty-eight million, seven hundred forty-two thousand, five hundred forty-five".