26403481792799 has 2 divisors, whose sum is σ = 26403481792800. Its totient is φ = 26403481792798.

The previous prime is 26403481792733. The next prime is 26403481792811. The reversal of 26403481792799 is 99729718430462.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-26403481792799 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (26403481792729) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13201740896399 + 13201740896400.

It is an arithmetic number, because the mean of its divisors is an integer number (13201740896400).

Almost surely, 2^{26403481792799} is an apocalyptic number.

26403481792799 is a deficient number, since it is larger than the sum of its proper divisors (1).

26403481792799 is an equidigital number, since it uses as much as digits as its factorization.

26403481792799 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 329204736, while the sum is 71.

The spelling of 26403481792799 in words is "twenty-six trillion, four hundred three billion, four hundred eighty-one million, seven hundred ninety-two thousand, seven hundred ninety-nine".