6456246426563 has 2 divisors, whose sum is σ = 6456246426564. Its totient is φ = 6456246426562.

The previous prime is 6456246426541. The next prime is 6456246426607. The reversal of 6456246426563 is 3656246426546.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 6456246426563 - 2⁶ = 6456246426499 is a prime.

It is not a weakly prime, because it can be changed into another prime (6456246420563) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3228123213281 + 3228123213282.

It is an arithmetic number, because the mean of its divisors is an integer number (3228123213282).

Almost surely, 2^{6456246426563} is an apocalyptic number.

6456246426563 is a deficient number, since it is larger than the sum of its proper divisors (1).

6456246426563 is an equidigital number, since it uses as much as digits as its factorization.

6456246426563 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 149299200, while the sum is 59.

The spelling of 6456246426563 in words is "six trillion, four hundred fifty-six billion, two hundred forty-six million, four hundred twenty-six thousand, five hundred sixty-three".