653020631665343 has 2 divisors, whose sum is σ = 653020631665344. Its totient is φ = 653020631665342.

The previous prime is 653020631665333. The next prime is 653020631665361. The reversal of 653020631665343 is 343566136020356.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 653020631665343 - 2⁶ = 653020631665279 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (653020631665333) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 326510315832671 + 326510315832672.

It is an arithmetic number, because the mean of its divisors is an integer number (326510315832672).

Almost surely, 2^{653020631665343} is an apocalyptic number.

653020631665343 is a deficient number, since it is larger than the sum of its proper divisors (1).

653020631665343 is an equidigital number, since it uses as much as digits as its factorization.

653020631665343 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 20995200, while the sum is 53.

Adding to 653020631665343 its reverse (343566136020356), we get a palindrome (996586767685699).

The spelling of 653020631665343 in words is "six hundred fifty-three trillion, twenty billion, six hundred thirty-one million, six hundred sixty-five thousand, three hundred forty-three".