657265116341 has 2 divisors, whose sum is σ = 657265116342. Its totient is φ = 657265116340.

The previous prime is 657265116293. The next prime is 657265116407. The reversal of 657265116341 is 143611562756.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 648749702500 + 8515413841 = 805450^2 + 92279^2 .

It is a cyclic number.

It is not a de Polignac number, because 657265116341 - 2¹⁴ = 657265099957 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (657265116941) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 328632558170 + 328632558171.

It is an arithmetic number, because the mean of its divisors is an integer number (328632558171).

Almost surely, 2^657265116341 is an apocalyptic number.

It is an amenable number.

657265116341 is a deficient number, since it is larger than the sum of its proper divisors (1).

657265116341 is an equidigital number, since it uses as much as digits as its factorization.

657265116341 is an evil number, because the sum of its binary digits is even.

The product of its digits is 907200, while the sum is 47.

The spelling of 657265116341 in words is "six hundred fifty-seven billion, two hundred sixty-five million, one hundred sixteen thousand, three hundred forty-one".