650743438085053 has 4 divisors (see below), whose sum is σ = 689022463854780. Its totient is φ = 612464412315328.

The previous prime is 650743438085051. The next prime is 650743438085057. The reversal of 650743438085053 is 350580834347056.

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 473652630927844 + 177090807157209 = 21763562^2 + 13307547^2 .

It is a cyclic number.

It is not a de Polignac number, because 650743438085053 - 2¹ = 650743438085051 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 650743438084982 and 650743438085000.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (650743438085051) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 19139512884838 + ... + 19139512884871.

It is an arithmetic number, because the mean of its divisors is an integer number (172255615963695).

Almost surely, 2^{650743438085053} is an apocalyptic number.

It is an amenable number.

650743438085053 is a deficient number, since it is larger than the sum of its proper divisors (38279025769727).

650743438085053 is a wasteful number, since it uses less digits than its factorization.

650743438085053 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38279025769726.

The product of its (nonzero) digits is 145152000, while the sum is 61.

The spelling of 650743438085053 in words is "six hundred fifty trillion, seven hundred forty-three billion, four hundred thirty-eight million, eighty-five thousand, fifty-three".