6261240244163 has 2 divisors, whose sum is σ = 6261240244164. Its totient is φ = 6261240244162.

The previous prime is 6261240244099. The next prime is 6261240244183. The reversal of 6261240244163 is 3614420421626.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 6261240244163 - 2⁶ = 6261240244099 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 6261240244163.

It is not a weakly prime, because it can be changed into another prime (6261240244183) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3130620122081 + 3130620122082.

It is an arithmetic number, because the mean of its divisors is an integer number (3130620122082).

Almost surely, 2^{6261240244163} is an apocalyptic number.

6261240244163 is a deficient number, since it is larger than the sum of its proper divisors (1).

6261240244163 is an equidigital number, since it uses as much as digits as its factorization.

6261240244163 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 331776, while the sum is 41.

Adding to 6261240244163 its reverse (3614420421626), we get a palindrome (9875660665789).

The spelling of 6261240244163 in words is "six trillion, two hundred sixty-one billion, two hundred forty million, two hundred forty-four thousand, one hundred sixty-three".