26425233563 has 2 divisors, whose sum is σ = 26425233564. Its totient is φ = 26425233562.

The previous prime is 26425233469. The next prime is 26425233581. The reversal of 26425233563 is 36533252462.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-26425233563 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 26425233563.

It is not a weakly prime, because it can be changed into another prime (26425239563) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13212616781 + 13212616782.

It is an arithmetic number, because the mean of its divisors is an integer number (13212616782).

Almost surely, 2^26425233563 is an apocalyptic number.

26425233563 is a deficient number, since it is larger than the sum of its proper divisors (1).

26425233563 is an equidigital number, since it uses as much as digits as its factorization.

26425233563 is an evil number, because the sum of its binary digits is even.

The product of its digits is 777600, while the sum is 41.

The spelling of 26425233563 in words is "twenty-six billion, four hundred twenty-five million, two hundred thirty-three thousand, five hundred sixty-three".