26474319563 has 2 divisors, whose sum is σ = 26474319564. Its totient is φ = 26474319562.

The previous prime is 26474319481. The next prime is 26474319569. The reversal of 26474319563 is 36591347462.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 26474319563 - 2²² = 26470125259 is a prime.

It is not a weakly prime, because it can be changed into another prime (26474319569) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13237159781 + 13237159782.

It is an arithmetic number, because the mean of its divisors is an integer number (13237159782).

Almost surely, 2^26474319563 is an apocalyptic number.

26474319563 is a deficient number, since it is larger than the sum of its proper divisors (1).

26474319563 is an equidigital number, since it uses as much as digits as its factorization.

26474319563 is an evil number, because the sum of its binary digits is even.

The product of its digits is 3265920, while the sum is 50.

The spelling of 26474319563 in words is "twenty-six billion, four hundred seventy-four million, three hundred nineteen thousand, five hundred sixty-three".