26305751963 has 2 divisors, whose sum is σ = 26305751964. Its totient is φ = 26305751962.

The previous prime is 26305751947. The next prime is 26305752017. The reversal of 26305751963 is 36915750362.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 26305751963 - 2⁴ = 26305751947 is a prime.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (26305753963) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13152875981 + 13152875982.

It is an arithmetic number, because the mean of its divisors is an integer number (13152875982).

Almost surely, 2^26305751963 is an apocalyptic number.

26305751963 is a deficient number, since it is larger than the sum of its proper divisors (1).

26305751963 is an equidigital number, since it uses as much as digits as its factorization.

26305751963 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1020600, while the sum is 47.

The spelling of 26305751963 in words is "twenty-six billion, three hundred five million, seven hundred fifty-one thousand, nine hundred sixty-three".