650561534141 has 2 divisors, whose sum is σ = 650561534142. Its totient is φ = 650561534140.

The previous prime is 650561534089. The next prime is 650561534243. The reversal of 650561534141 is 141435165056.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 533206644100 + 117354890041 = 730210^2 + 342571^2 .

It is a cyclic number.

It is not a de Polignac number, because 650561534141 - 2²⁶ = 650494425277 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (650561534641) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 325280767070 + 325280767071.

It is an arithmetic number, because the mean of its divisors is an integer number (325280767071).

Almost surely, 2^650561534141 is an apocalyptic number.

It is an amenable number.

650561534141 is a deficient number, since it is larger than the sum of its proper divisors (1).

650561534141 is an equidigital number, since it uses as much as digits as its factorization.

650561534141 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 216000, while the sum is 41.

Adding to 650561534141 its reverse (141435165056), we get a palindrome (791996699197).

The spelling of 650561534141 in words is "six hundred fifty billion, five hundred sixty-one million, five hundred thirty-four thousand, one hundred forty-one".