653020320341 has 4 divisors (see below), whose sum is σ = 653316208512. Its totient is φ = 652724432172.

The previous prime is 653020320287. The next prime is 653020320373. The reversal of 653020320341 is 143023020356.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-653020320341 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (653020350341) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 147940775 + ... + 147945188.

It is an arithmetic number, because the mean of its divisors is an integer number (163329052128).

Almost surely, 2^653020320341 is an apocalyptic number.

It is an amenable number.

653020320341 is a deficient number, since it is larger than the sum of its proper divisors (295888171).

653020320341 is a wasteful number, since it uses less digits than its factorization.

653020320341 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 295888170.

The product of its (nonzero) digits is 12960, while the sum is 29.

Adding to 653020320341 its reverse (143023020356), we get a palindrome (796043340697).

The spelling of 653020320341 in words is "six hundred fifty-three billion, twenty million, three hundred twenty thousand, three hundred forty-one".