650013603641 has 2 divisors, whose sum is σ = 650013603642. Its totient is φ = 650013603640.

The previous prime is 650013603601. The next prime is 650013603677. The reversal of 650013603641 is 146306310056.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 395817139600 + 254196464041 = 629140^2 + 504179^2 .

It is a cyclic number.

It is not a de Polignac number, because 650013603641 - 2¹⁴ = 650013587257 is a prime.

It is a super-3 number, since 3×650013603641³ (a number of 36 digits) contains 333 as substring.

It is not a weakly prime, because it can be changed into another prime (650013603601) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 325006801820 + 325006801821.

It is an arithmetic number, because the mean of its divisors is an integer number (325006801821).

Almost surely, 2^650013603641 is an apocalyptic number.

It is an amenable number.

650013603641 is a deficient number, since it is larger than the sum of its proper divisors (1).

650013603641 is an equidigital number, since it uses as much as digits as its factorization.

650013603641 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 38880, while the sum is 35.

Adding to 650013603641 its reverse (146306310056), we get a palindrome (796319913697).

The spelling of 650013603641 in words is "six hundred fifty billion, thirteen million, six hundred three thousand, six hundred forty-one".